diff --git a/pkgs/development/tools/ols/default.nix b/pkgs/development/tools/ols/default.nix
index 05839dcdcba7..963fbaef560e 100644
--- a/pkgs/development/tools/ols/default.nix
+++ b/pkgs/development/tools/ols/default.nix
@@ -2,13 +2,13 @@
 
 stdenv.mkDerivation {
   pname = "ols";
-  version = "0-unstable-2024-02-09";
+  version = "0-unstable-2024-04-15";
 
   src = fetchFromGitHub {
     owner = "DanielGavin";
     repo = "ols";
-    rev = "3eb1e0e60a66a4fc7347fb77837ff45ccbe1cabb";
-    hash = "sha256-qPcSZjvlBmFf3M98GrwIu8SGO2VbgdqBKzyFpGSEtrI=";
+    rev = "aa1aabda1cce68a6038c48429cc759f09ad2ebab";
+    hash = "sha256-yM+Syx8hWiSZatWfFFGz8lUJTOCozkZWPdPUhRW0/Ow=";
   };
 
   nativeBuildInputs = [