diff --git a/pkgs/by-name/gl/glm/1_0_1.nix b/pkgs/by-name/gl/glm/1_0_1.nix
index 68ecba82fa53..a982e1a626e6 100644
--- a/pkgs/by-name/gl/glm/1_0_1.nix
+++ b/pkgs/by-name/gl/glm/1_0_1.nix
@@ -9,7 +9,7 @@ callPackage ./generic.nix rec {
   src = fetchFromGitHub {
     owner = "g-truc";
     repo = "glm";
-    rev = version;
-    sha256 = "sha256-GnGyzNRpzuguc3yYbEFtYLvG+KiCtRAktiN+NvbOICE=";
+    tag = version;
+    hash = "sha256-GnGyzNRpzuguc3yYbEFtYLvG+KiCtRAktiN+NvbOICE=";
   };
 }
diff --git a/pkgs/by-name/gl/glm/generic.nix b/pkgs/by-name/gl/glm/generic.nix
index 376706d0028b..5f7cccee6697 100644
--- a/pkgs/by-name/gl/glm/generic.nix
+++ b/pkgs/by-name/gl/glm/generic.nix
@@ -55,6 +55,7 @@ stdenv.mkDerivation rec {
   '';
 
   meta = {
+    changelog = "https://github.com/g-truc/glm/releases/tag/${src.tag}";
     description = "OpenGL Mathematics library for C++";
     longDescription = ''
       OpenGL Mathematics (GLM) is a header only C++ mathematics library for
diff --git a/pkgs/by-name/gl/glm/package.nix b/pkgs/by-name/gl/glm/package.nix
index 298ad577aa2e..dd8d9779f7e3 100644
--- a/pkgs/by-name/gl/glm/package.nix
+++ b/pkgs/by-name/gl/glm/package.nix
@@ -9,7 +9,7 @@ callPackage ./generic.nix rec {
   src = fetchFromGitHub {
     owner = "g-truc";
     repo = "glm";
-    rev = version;
-    sha256 = "sha256-2xKv1nO+OdwA0r+I9OZ+OCL9dJFg/LJsQfIvIF76vc0=";
+    tag = version;
+    hash = "sha256-6WnVvFiTe1/OYj/oTGpCjZKNFurR9MxJ4zf0nDg0Alk=";
   };
 }