diff --git a/LICENSE.txt b/LICENSE.txt
index 669c0ee..6bb7401 100644
--- a/LICENSE.txt
+++ b/LICENSE.txt
@@ -1,4 +1,4 @@
-Copyright (c) 2019-2021, Intel Corporation
+Copyright (c) 2019, Intel Corporation
 
 Redistribution and use in source and binary forms, with or without
 modification, are permitted provided that the following conditions are met:
diff --git a/mkl_umath/__init__.py b/mkl_umath/__init__.py
index 348ee4e..8838e8f 100644
--- a/mkl_umath/__init__.py
+++ b/mkl_umath/__init__.py
@@ -1,4 +1,4 @@
-# Copyright (c) 2019-2023, Intel Corporation
+# Copyright (c) 2019, Intel Corporation
 #
 # Redistribution and use in source and binary forms, with or without
 # modification, are permitted provided that the following conditions are met:
diff --git a/mkl_umath/generate_umath.py b/mkl_umath/generate_umath.py
index e6609ab..78faa67 100644
--- a/mkl_umath/generate_umath.py
+++ b/mkl_umath/generate_umath.py
@@ -1,4 +1,4 @@
-# Copyright (c) 2019-2023, Intel Corporation
+# Copyright (c) 2019, Intel Corporation
 #
 # Redistribution and use in source and binary forms, with or without
 # modification, are permitted provided that the following conditions are met:
diff --git a/mkl_umath/src/_patch.pyx b/mkl_umath/src/_patch.pyx
index fd78f8d..74dcec3 100644
--- a/mkl_umath/src/_patch.pyx
+++ b/mkl_umath/src/_patch.pyx
@@ -1,4 +1,4 @@
-# Copyright (c) 2019-2021, Intel Corporation
+# Copyright (c) 2019, Intel Corporation
 #
 # Redistribution and use in source and binary forms, with or without
 # modification, are permitted provided that the following conditions are met:
diff --git a/mkl_umath/src/blocking_utils.h b/mkl_umath/src/blocking_utils.h
index 9565bc0..4acd31b 100644
--- a/mkl_umath/src/blocking_utils.h
+++ b/mkl_umath/src/blocking_utils.h
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2019-2021, Intel Corporation
+ * Copyright (c) 2019, Intel Corporation
  *
  * Redistribution and use in source and binary forms, with or without
  * modification, are permitted provided that the following conditions are met:
diff --git a/mkl_umath/src/fast_loop_macros.h b/mkl_umath/src/fast_loop_macros.h
index 12ef2e1..ea5130c 100644
--- a/mkl_umath/src/fast_loop_macros.h
+++ b/mkl_umath/src/fast_loop_macros.h
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2019-2021, Intel Corporation
+ * Copyright (c) 2019, Intel Corporation
  *
  * Redistribution and use in source and binary forms, with or without
  * modification, are permitted provided that the following conditions are met:
diff --git a/mkl_umath/src/mkl_umath_loops.c.src b/mkl_umath/src/mkl_umath_loops.c.src
index a35f9c6..baa34a2 100644
--- a/mkl_umath/src/mkl_umath_loops.c.src
+++ b/mkl_umath/src/mkl_umath_loops.c.src
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2019-2023, Intel Corporation
+ * Copyright (c) 2019, Intel Corporation
  *
  * Redistribution and use in source and binary forms, with or without
  * modification, are permitted provided that the following conditions are met:
diff --git a/mkl_umath/src/mkl_umath_loops.h.src b/mkl_umath/src/mkl_umath_loops.h.src
index c643c20..a3c65ff 100644
--- a/mkl_umath/src/mkl_umath_loops.h.src
+++ b/mkl_umath/src/mkl_umath_loops.h.src
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2019-2023, Intel Corporation
+ * Copyright (c) 2019, Intel Corporation
  *
  * Redistribution and use in source and binary forms, with or without
  * modification, are permitted provided that the following conditions are met:
diff --git a/mkl_umath/src/ufuncsmodule.c b/mkl_umath/src/ufuncsmodule.c
index 23899b8..a74725f 100644
--- a/mkl_umath/src/ufuncsmodule.c
+++ b/mkl_umath/src/ufuncsmodule.c
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2019-2021, Intel Corporation
+ * Copyright (c) 2019, Intel Corporation
  *
  * Redistribution and use in source and binary forms, with or without
  * modification, are permitted provided that the following conditions are met:
diff --git a/mkl_umath/src/ufuncsmodule.h b/mkl_umath/src/ufuncsmodule.h
index acb6bbd..accef8e 100644
--- a/mkl_umath/src/ufuncsmodule.h
+++ b/mkl_umath/src/ufuncsmodule.h
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2019-2021, Intel Corporation
+ * Copyright (c) 2019, Intel Corporation
  *
  * Redistribution and use in source and binary forms, with or without
  * modification, are permitted provided that the following conditions are met:
diff --git a/mkl_umath/tests/test_basic.py b/mkl_umath/tests/test_basic.py
index 88770a9..ada96d9 100644
--- a/mkl_umath/tests/test_basic.py
+++ b/mkl_umath/tests/test_basic.py
@@ -1,4 +1,4 @@
-# Copyright (c) 2019-2023, Intel Corporation
+# Copyright (c) 2019, Intel Corporation
 #
 # Redistribution and use in source and binary forms, with or without
 # modification, are permitted provided that the following conditions are met:
diff --git a/mkl_umath/ufunc_docstrings.py b/mkl_umath/ufunc_docstrings.py
index 79877e2..8268348 100644
--- a/mkl_umath/ufunc_docstrings.py
+++ b/mkl_umath/ufunc_docstrings.py
@@ -1,4 +1,4 @@
-# Copyright (c) 2019-2023, Intel Corporation
+# Copyright (c) 2019, Intel Corporation
 #
 # Redistribution and use in source and binary forms, with or without
 # modification, are permitted provided that the following conditions are met:
diff --git a/setup.py b/setup.py
index fb126ee..f13b348 100644
--- a/setup.py
+++ b/setup.py
@@ -1,4 +1,4 @@
-# Copyright (c) 2019-2025, Intel Corporation
+# Copyright (c) 2019, Intel Corporation
 #
 # Redistribution and use in source and binary forms, with or without
 # modification, are permitted provided that the following conditions are met: