diff --git a/Cargo.lock b/Cargo.lock
index ce8e5f716..037c076be 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -41,15 +41,6 @@ dependencies = [
  "rgb",
 ]
 
-[[package]]
-name = "ansi_term"
-version = "0.12.1"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "d52a9bb7ec0cf484c551830a7ce27bd20d67eac647e1befb56b0be4ee39a55d2"
-dependencies = [
- "winapi",
-]
-
 [[package]]
 name = "anstream"
 version = "0.6.5"
@@ -144,7 +135,7 @@ dependencies = [
  "globset",
  "grep-cli",
  "home",
- "nu-ansi-term",
+ "nu-ansi-term 0.49.0",
  "once_cell",
  "path_abs",
  "plist",
@@ -608,7 +599,6 @@ name = "git-delta"
 version = "0.18.2"
 dependencies = [
  "ansi_colours",
- "ansi_term",
  "anstyle-parse",
  "anyhow",
  "bat",
@@ -627,6 +617,7 @@ dependencies = [
  "insta",
  "itertools",
  "lazy_static",
+ "nu-ansi-term 0.50.3",
  "palette",
  "pathdiff",
  "pretty_assertions",
@@ -919,6 +910,15 @@ dependencies = [
  "windows-sys 0.48.0",
 ]
 
+[[package]]
+name = "nu-ansi-term"
+version = "0.50.3"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "7957b9740744892f114936ab4a57b3f487491bbeafaf8083688b16841a4240e5"
+dependencies = [
+ "windows-sys 0.59.0",
+]
+
 [[package]]
 name = "num-conv"
 version = "0.1.0"
diff --git a/Cargo.toml b/Cargo.toml
index 59a1fc8eb..f9f44a807 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -16,7 +16,7 @@ path = "src/main.rs"
 
 [dependencies]
 ansi_colours = "1.2.1"
-ansi_term = "0.12.1"
+ansi_term = { package = "nu-ansi-term", version = "0.50"}
 anstyle-parse = "0.2.3"
 anyhow = "1.0.70"
 bat = { version = "0.24.0", default-features = false, features = [
diff --git a/src/ansi/iterator.rs b/src/ansi/iterator.rs
index c688adb30..d0397d25e 100644
--- a/src/ansi/iterator.rs
+++ b/src/ansi/iterator.rs
@@ -270,7 +270,7 @@ fn parse_sgr_color(params: &mut dyn Iterator<Item = u16>) -> Option<ansi_term::C
             let r = u8::try_from(params.next()?).ok()?;
             let g = u8::try_from(params.next()?).ok()?;
             let b = u8::try_from(params.next()?).ok()?;
-            Some(ansi_term::Color::RGB(r, g, b))
+            Some(ansi_term::Color::Rgb(r, g, b))
         }
         Some(5) => Some(ansi_term::Color::Fixed(u8::try_from(params.next()?).ok()?)),
         _ => None,
diff --git a/src/color.rs b/src/color.rs
index fb368f987..e4fa189d7 100644
--- a/src/color.rs
+++ b/src/color.rs
@@ -41,17 +41,28 @@ pub fn parse_color(s: &str, true_color: bool, git_config: Option<&GitConfig>) ->
 
 pub fn color_to_string(color: Color) -> String {
     match color {
+        Color::Default => todo!(),
         Color::Fixed(n) if n < 16 => ansi_16_color_number_to_name(n).unwrap().to_string(),
         Color::Fixed(n) => format!("{n}"),
-        Color::RGB(r, g, b) => format!("\"#{r:02x?}{g:02x?}{b:02x?}\""),
+        Color::Rgb(r, g, b) => format!("\"#{r:02x?}{g:02x?}{b:02x?}\""),
         Color::Black => "black".to_string(),
+        Color::DarkGray => "bright-black".to_string(),
         Color::Red => "red".to_string(),
+        Color::LightRed => "bright-red".to_string(),
         Color::Green => "green".to_string(),
+        Color::LightGreen => "bright-green".to_string(),
         Color::Yellow => "yellow".to_string(),
+        Color::LightYellow => "bright-yellow".to_string(),
         Color::Blue => "blue".to_string(),
+        Color::LightBlue => "bright-blue".to_string(),
         Color::Purple => "purple".to_string(),
+        Color::LightPurple => "bright-purple".to_string(),
+        Color::Magenta => "magenta".to_string(),
+        Color::LightMagenta => "bright-magenta".to_string(),
         Color::Cyan => "cyan".to_string(),
+        Color::LightCyan => "bright-cyan".to_string(),
         Color::White => "white".to_string(),
+        Color::LightGray => "bright-white".to_string(),
     }
 }
 
@@ -153,35 +164,35 @@ pub fn get_plus_emph_background_color_default(mode: ColorMode, is_true_color: bo
     }
 }
 
-const LIGHT_THEME_MINUS_COLOR: Color = Color::RGB(0xff, 0xe0, 0xe0);
+const LIGHT_THEME_MINUS_COLOR: Color = Color::Rgb(0xff, 0xe0, 0xe0);
 
 const LIGHT_THEME_MINUS_COLOR_256: Color = Color::Fixed(224);
 
-const LIGHT_THEME_MINUS_EMPH_COLOR: Color = Color::RGB(0xff, 0xc0, 0xc0);
+const LIGHT_THEME_MINUS_EMPH_COLOR: Color = Color::Rgb(0xff, 0xc0, 0xc0);
 
 const LIGHT_THEME_MINUS_EMPH_COLOR_256: Color = Color::Fixed(217);
 
-const LIGHT_THEME_PLUS_COLOR: Color = Color::RGB(0xd0, 0xff, 0xd0);
+const LIGHT_THEME_PLUS_COLOR: Color = Color::Rgb(0xd0, 0xff, 0xd0);
 
 const LIGHT_THEME_PLUS_COLOR_256: Color = Color::Fixed(194);
 
-const LIGHT_THEME_PLUS_EMPH_COLOR: Color = Color::RGB(0xa0, 0xef, 0xa0);
+const LIGHT_THEME_PLUS_EMPH_COLOR: Color = Color::Rgb(0xa0, 0xef, 0xa0);
 
 const LIGHT_THEME_PLUS_EMPH_COLOR_256: Color = Color::Fixed(157);
 
-const DARK_THEME_MINUS_COLOR: Color = Color::RGB(0x3f, 0x00, 0x01);
+const DARK_THEME_MINUS_COLOR: Color = Color::Rgb(0x3f, 0x00, 0x01);
 
 const DARK_THEME_MINUS_COLOR_256: Color = Color::Fixed(52);
 
-const DARK_THEME_MINUS_EMPH_COLOR: Color = Color::RGB(0x90, 0x10, 0x11);
+const DARK_THEME_MINUS_EMPH_COLOR: Color = Color::Rgb(0x90, 0x10, 0x11);
 
 const DARK_THEME_MINUS_EMPH_COLOR_256: Color = Color::Fixed(124);
 
-const DARK_THEME_PLUS_COLOR: Color = Color::RGB(0x00, 0x28, 0x00);
+const DARK_THEME_PLUS_COLOR: Color = Color::Rgb(0x00, 0x28, 0x00);
 
 const DARK_THEME_PLUS_COLOR_256: Color = Color::Fixed(22);
 
-const DARK_THEME_PLUS_EMPH_COLOR: Color = Color::RGB(0x00, 0x60, 0x00);
+const DARK_THEME_PLUS_EMPH_COLOR: Color = Color::Rgb(0x00, 0x60, 0x00);
 
 const DARK_THEME_PLUS_EMPH_COLOR_256: Color = Color::Fixed(28);
 
diff --git a/src/features/line_numbers.rs b/src/features/line_numbers.rs
index 3b2fcff08..fe01aad21 100644
--- a/src/features/line_numbers.rs
+++ b/src/features/line_numbers.rs
@@ -103,7 +103,7 @@ pub fn linenumbers_and_styles<'a>(
     ))
 }
 
-/// Return a vec of `ansi_term::ANSIGenericString`s representing the left and right fields of the
+/// Return a vec of `ansi_term::AnsiGenericString`s representing the left and right fields of the
 /// two-column line number display.
 pub fn format_and_paint_line_numbers<'a>(
     line_numbers_data: &'a LineNumbersData,
@@ -111,7 +111,7 @@ pub fn format_and_paint_line_numbers<'a>(
     styles: MinusPlus<Style>,
     line_numbers: MinusPlus<Option<usize>>,
     config: &'a config::Config,
-) -> Vec<ansi_term::ANSIGenericString<'a, str>> {
+) -> Vec<ansi_term::AnsiGenericString<'a, str>> {
     let mut formatted_numbers = Vec::new();
 
     let (emit_left, emit_right) = match (config.side_by_side, side_by_side_panel) {
@@ -247,7 +247,7 @@ fn format_and_paint_line_number_field<'a>(
     styles: &MinusPlus<Style>,
     line_numbers: &MinusPlus<Option<usize>>,
     config: &config::Config,
-) -> Vec<ansi_term::ANSIGenericString<'a, str>> {
+) -> Vec<ansi_term::AnsiGenericString<'a, str>> {
     let min_field_width = line_numbers_data.hunk_max_line_number_width;
 
     let format_data = &line_numbers_data.format_data[side];
diff --git a/src/features/side_by_side.rs b/src/features/side_by_side.rs
index 6e0d032cc..465dee5af 100644
--- a/src/features/side_by_side.rs
+++ b/src/features/side_by_side.rs
@@ -229,7 +229,7 @@ pub fn paint_zero_lines_side_by_side<'a>(
     output_buffer: &mut String,
     config: &Config,
     line_numbers_data: &mut Option<&mut line_numbers::LineNumbersData>,
-    painted_prefix: Option<ansi_term::ANSIString>,
+    painted_prefix: Option<ansi_term::AnsiString>,
     background_color_extends_to_terminal_width: BgShouldFill,
 ) {
     let states = vec![State::HunkZero(DiffType::Unified, None)];
diff --git a/src/handlers/grep.rs b/src/handlers/grep.rs
index 696c3ccfc..287fb4ef3 100644
--- a/src/handlers/grep.rs
+++ b/src/handlers/grep.rs
@@ -412,7 +412,7 @@ fn get_code_style_sections<'b>(
             .iter()
             .map(|(ansi_term_style, s)| {
                 if ansi_term_style.is_bold
-                    && ansi_term_style.foreground == Some(ansi_term::Colour::Red)
+                    && ansi_term_style.foreground == Some(ansi_term::Color::Red)
                 {
                     (match_style, *s)
                 } else {
diff --git a/src/paint.rs b/src/paint.rs
index 4e473afa6..075e06727 100644
--- a/src/paint.rs
+++ b/src/paint.rs
@@ -2,7 +2,7 @@ use std::borrow::Cow;
 use std::collections::HashMap;
 use std::io::Write;
 
-use ansi_term::ANSIString;
+use ansi_term::AnsiString;
 use itertools::Itertools;
 use syntect::easy::HighlightLines;
 use syntect::highlighting::Style as SyntectStyle;
@@ -372,7 +372,7 @@ impl<'p> Painter<'p> {
     /// Emit line with ANSI sequences that extend the background color to the terminal width.
     pub fn right_fill_background_color(line: &mut String, fill_style: Style) {
         // HACK: How to properly incorporate the ANSI_CSI_CLEAR_TO_EOL into ansi_strings?
-        line.push_str(&ansi_term::ANSIStrings(&[fill_style.paint("")]).to_string());
+        line.push_str(&ansi_term::AnsiStrings(&[fill_style.paint("")]).to_string());
         if line
             .to_lowercase()
             .ends_with(&ansi::ANSI_SGR_RESET.to_lowercase())
@@ -404,7 +404,7 @@ impl<'p> Painter<'p> {
         state: &State,
         line_numbers_data: &mut Option<&mut line_numbers::LineNumbersData>,
         side_by_side_panel: Option<PanelSide>,
-        mut painted_prefix: Option<ansi_term::ANSIString>,
+        mut painted_prefix: Option<ansi_term::AnsiString>,
         config: &config::Config,
     ) -> (String, bool) {
         let mut ansi_strings = Vec::new();
@@ -454,7 +454,7 @@ impl<'p> Painter<'p> {
 
         // Only if syntax is empty (implies diff empty) can a line actually be empty.
         let is_empty = syntax_sections.is_empty();
-        (ansi_term::ANSIStrings(&ansi_strings).to_string(), is_empty)
+        (ansi_term::AnsiStrings(&ansi_strings).to_string(), is_empty)
     }
 
     /// Write output buffer to output stream, and clear the buffer.
@@ -777,7 +777,7 @@ fn get_diff_style_sections<'a>(
     (diff_sections, line_alignment)
 }
 
-fn painted_prefix(state: State, config: &config::Config) -> Option<ANSIString<'_>> {
+fn painted_prefix(state: State, config: &config::Config) -> Option<AnsiString<'_>> {
     use DiffType::*;
     use State::*;
     match (state, config.keep_plus_minus_markers) {
@@ -850,13 +850,13 @@ pub fn paint_file_path_with_line_number(
     if let Some(line_number) = line_number {
         if let Some(line_number_style) = line_number_style {
             if !file_with_line_number.is_empty() {
-                file_with_line_number.push(ansi_term::ANSIString::from(separator));
+                file_with_line_number.push(ansi_term::AnsiString::from(separator));
             }
             file_with_line_number.push(line_number_style.paint(format!("{line_number}")))
         }
     }
     if terminate_with_separator {
-        file_with_line_number.push(ansi_term::ANSIGenericString::from(separator));
+        file_with_line_number.push(ansi_term::AnsiGenericString::from(separator));
     }
     if pad_line_number {
         // If requested we pad line numbers to a width of at least
@@ -866,15 +866,15 @@ pub fn paint_file_path_with_line_number(
         // discussion about aligning grep output.
         match line_number {
             Some(n) if n < 10 => {
-                file_with_line_number.push(ansi_term::ANSIGenericString::from("  "))
+                file_with_line_number.push(ansi_term::AnsiGenericString::from("  "))
             }
             Some(n) if n < 100 => {
-                file_with_line_number.push(ansi_term::ANSIGenericString::from(" "))
+                file_with_line_number.push(ansi_term::AnsiGenericString::from(" "))
             }
             _ => {}
         }
     }
-    let file_with_line_number = ansi_term::ANSIStrings(&file_with_line_number).to_string();
+    let file_with_line_number = ansi_term::AnsiStrings(&file_with_line_number).to_string();
     match if config.hyperlinks && !file_with_line_number.is_empty() {
         utils::path::absolute_path(file_path, config)
     } else {
diff --git a/src/style.rs b/src/style.rs
index cd6cd4497..5295fc192 100644
--- a/src/style.rs
+++ b/src/style.rs
@@ -97,7 +97,7 @@ impl Style {
     pub fn paint<'a, I, S: 'a + ToOwned + ?Sized>(
         self,
         input: I,
-    ) -> ansi_term::ANSIGenericString<'a, S>
+    ) -> ansi_term::AnsiGenericString<'a, S>
     where
         I: Into<Cow<'a, S>>,
         <S as ToOwned>::Owned: fmt::Debug,
@@ -130,7 +130,7 @@ impl Style {
         None
     }
 
-    pub fn to_painted_string(self) -> ansi_term::ANSIGenericString<'static, str> {
+    pub fn to_painted_string(self) -> ansi_term::AnsiGenericString<'static, str> {
         self.paint(self.to_string())
     }
 }
@@ -140,7 +140,7 @@ pub fn paint_color_string<'a>(
     color_string: &'a str,
     true_color: bool,
     git_config: Option<&GitConfig>,
-) -> ansi_term::ANSIGenericString<'a, str> {
+) -> ansi_term::AnsiGenericString<'a, str> {
     if let Some(color) = color::parse_color(color_string, true_color, git_config) {
         let style = ansi_term::Style {
             background: Some(color),
@@ -148,7 +148,7 @@ pub fn paint_color_string<'a>(
         };
         style.paint(color_string)
     } else {
-        ansi_term::ANSIGenericString::from(color_string)
+        ansi_term::AnsiGenericString::from(color_string)
     }
 }
 
@@ -219,7 +219,7 @@ pub fn ansi_term_style_equality(a: ansi_term::Style, b: ansi_term::Style) -> boo
 
 // TODO: The equality methods were implemented first, and the equality_key
 // methods later. The former should be re-implemented in terms of the latter.
-// But why did the former not address equality of ansi_term::Color::RGB values?
+// But why did the former not address equality of ansi_term::Color::Rgb values?
 #[derive(Clone)]
 pub struct AnsiTermStyleEqualityKey {
     attrs_key: (bool, bool, bool, bool, bool, bool, bool, bool),
@@ -321,6 +321,14 @@ fn ansi_term_16_color_equality(a: ansi_term::Color, b: ansi_term::Color) -> bool
             | (ansi_term::Color::Fixed(5), ansi_term::Color::Purple)
             | (ansi_term::Color::Fixed(6), ansi_term::Color::Cyan)
             | (ansi_term::Color::Fixed(7), ansi_term::Color::White)
+            | (ansi_term::Color::Fixed(8), ansi_term::Color::DarkGray)
+            | (ansi_term::Color::Fixed(9), ansi_term::Color::LightRed)
+            | (ansi_term::Color::Fixed(10), ansi_term::Color::LightGreen)
+            | (ansi_term::Color::Fixed(11), ansi_term::Color::LightYellow)
+            | (ansi_term::Color::Fixed(12), ansi_term::Color::LightBlue)
+            | (ansi_term::Color::Fixed(13), ansi_term::Color::LightPurple)
+            | (ansi_term::Color::Fixed(14), ansi_term::Color::LightCyan)
+            | (ansi_term::Color::Fixed(15), ansi_term::Color::LightGray)
     )
 }
 
@@ -336,11 +344,34 @@ fn ansi_term_color_equality_key(color: ansi_term::Color) -> (u8, u8, u8, u8) {
         ansi_term::Color::Fixed(2) | ansi_term::Color::Green => (2, default, default, default),
         ansi_term::Color::Fixed(3) | ansi_term::Color::Yellow => (3, default, default, default),
         ansi_term::Color::Fixed(4) | ansi_term::Color::Blue => (4, default, default, default),
-        ansi_term::Color::Fixed(5) | ansi_term::Color::Purple => (5, default, default, default),
+        ansi_term::Color::Fixed(5) | ansi_term::Color::Purple | ansi_term::Color::Magenta => {
+            (5, default, default, default)
+        }
         ansi_term::Color::Fixed(6) | ansi_term::Color::Cyan => (6, default, default, default),
         ansi_term::Color::Fixed(7) | ansi_term::Color::White => (7, default, default, default),
+        ansi_term::Color::Fixed(8) | ansi_term::Color::DarkGray => (8, default, default, default),
+        ansi_term::Color::Fixed(9) | ansi_term::Color::LightRed => (9, default, default, default),
+        ansi_term::Color::Fixed(10) | ansi_term::Color::LightGreen => {
+            (10, default, default, default)
+        }
+        ansi_term::Color::Fixed(11) | ansi_term::Color::LightYellow => {
+            (11, default, default, default)
+        }
+        ansi_term::Color::Fixed(12) | ansi_term::Color::LightBlue => {
+            (12, default, default, default)
+        }
+        ansi_term::Color::Fixed(13)
+        | ansi_term::Color::LightPurple
+        | ansi_term::Color::LightMagenta => (13, default, default, default),
+        ansi_term::Color::Fixed(14) | ansi_term::Color::LightCyan => {
+            (14, default, default, default)
+        }
+        ansi_term::Color::Fixed(15) | ansi_term::Color::LightGray => {
+            (15, default, default, default)
+        }
         ansi_term::Color::Fixed(n) => (n, default, default, default),
-        ansi_term::Color::RGB(r, g, b) => (r, g, b, 0),
+        ansi_term::Color::Rgb(r, g, b) => (r, g, b, 0),
+        ansi_term::Color::Default => todo!(),
     }
 }
 
diff --git a/src/utils/bat/assets.rs b/src/utils/bat/assets.rs
index 23a2226cd..71ddf636d 100644
--- a/src/utils/bat/assets.rs
+++ b/src/utils/bat/assets.rs
@@ -3,7 +3,7 @@
 
 use std::io::{self, Write};
 
-use ansi_term::Colour::Green;
+use ansi_term::Color::Green;
 use ansi_term::Style;
 use bat;
 
diff --git a/src/utils/bat/terminal.rs b/src/utils/bat/terminal.rs
index 15c75d249..d9c835f43 100644
--- a/src/utils/bat/terminal.rs
+++ b/src/utils/bat/terminal.rs
@@ -1,4 +1,4 @@
-use ansi_term::Color::{self, Fixed, RGB};
+use ansi_term::Color::{self, Fixed, Rgb};
 use ansi_term::{self, Style};
 
 use syntect::highlighting::{self, FontStyle};
@@ -38,7 +38,7 @@ pub fn to_ansi_color(color: highlighting::Color, true_color: bool) -> Option<ans
         // 01. The built-in theme ansi uses this.
         None
     } else if true_color {
-        Some(RGB(color.r, color.g, color.b))
+        Some(Rgb(color.r, color.g, color.b))
     } else {
         Some(Fixed(ansi_colours::ansi256_from_rgb((
             color.r, color.g, color.b,
diff --git a/src/utils/syntect.rs b/src/utils/syntect.rs
index 0508c8b6b..4e7cb5da8 100644
--- a/src/utils/syntect.rs
+++ b/src/utils/syntect.rs
@@ -76,10 +76,21 @@ impl FromAnsiTermColor for Color {
             ansi_term::Color::Yellow => syntect_color_from_ansi_number(3).unwrap(),
             ansi_term::Color::Blue => syntect_color_from_ansi_number(4).unwrap(),
             ansi_term::Color::Purple => syntect_color_from_ansi_number(5).unwrap(),
+            ansi_term::Color::Magenta => syntect_color_from_ansi_number(5).unwrap(),
             ansi_term::Color::Cyan => syntect_color_from_ansi_number(6).unwrap(),
             ansi_term::Color::White => syntect_color_from_ansi_number(7).unwrap(),
+            ansi_term::Color::DarkGray => syntect_color_from_ansi_number(8).unwrap(),
+            ansi_term::Color::LightRed => syntect_color_from_ansi_number(9).unwrap(),
+            ansi_term::Color::LightGreen => syntect_color_from_ansi_number(10).unwrap(),
+            ansi_term::Color::LightYellow => syntect_color_from_ansi_number(11).unwrap(),
+            ansi_term::Color::LightBlue => syntect_color_from_ansi_number(12).unwrap(),
+            ansi_term::Color::LightMagenta => syntect_color_from_ansi_number(13).unwrap(),
+            ansi_term::Color::LightPurple => syntect_color_from_ansi_number(13).unwrap(),
+            ansi_term::Color::LightCyan => syntect_color_from_ansi_number(14).unwrap(),
+            ansi_term::Color::LightGray => syntect_color_from_ansi_number(15).unwrap(),
             ansi_term::Color::Fixed(n) => syntect_color_from_ansi_number(n).unwrap(),
-            ansi_term::Color::RGB(r, g, b) => Self { r, g, b, a: 0xFF },
+            ansi_term::Color::Rgb(r, g, b) => Self { r, g, b, a: 0xFF },
+            ansi_term::Color::Default => todo!(),
         }
     }
 }