diff --git a/pkgs/by-name/ab/abseil-cpp_202501/package.nix b/pkgs/by-name/ab/abseil-cpp_202501/package.nix
index c1884d4a953d..7fffca86c037 100644
--- a/pkgs/by-name/ab/abseil-cpp_202501/package.nix
+++ b/pkgs/by-name/ab/abseil-cpp_202501/package.nix
@@ -10,13 +10,13 @@
 
 stdenv.mkDerivation (finalAttrs: {
   pname = "abseil-cpp";
-  version = "20250512.1";
+  version = "20250127.1";
 
   src = fetchFromGitHub {
     owner = "abseil";
     repo = "abseil-cpp";
     tag = finalAttrs.version;
-    hash = "sha256-eB7OqTO9Vwts9nYQ/Mdq0Ds4T1KgmmpYdzU09VPWOhk=";
+    hash = "sha256-QTywqQCkyGFpdbtDBvUwz9bGXxbJs/qoFKF6zYAZUmQ=";
   };
 
   cmakeFlags = [