diff --git a/Cargo.lock b/Cargo.lock
index 605465b..87d5bcf 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -16,9 +16,9 @@ checksum = "9555578bc9e57714c812a1f84e4fc5b4d21fcb063490c624de019f7464c91268"
 
 [[package]]
 name = "crc32fast"
-version = "1.4.2"
+version = "1.5.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "a97769d94ddab943e4510d138150169a2758b5ef3eb191a9ee688de3e23ef7b3"
+checksum = "9481c1c90cbf2ac953f07c8d4a58aa3945c425b7185c9154d67a65e4230da511"
 dependencies = [
  "cfg-if",
 ]
diff --git a/Cargo.toml b/Cargo.toml
index 81f6504..cd6e2ae 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -15,6 +15,6 @@ name = "pycrc32"
 crate-type = ["cdylib"]
 
 [dependencies]
-crc32fast = "1.4.2"
+crc32fast = "1.5.0"
 pyo3 = "0.25.1"