diff --git a/pkgs/servers/osmocom/libasn1c/default.nix b/pkgs/servers/osmocom/libasn1c/default.nix
index 17bbd5200c33..983ef5dbc196 100644
--- a/pkgs/servers/osmocom/libasn1c/default.nix
+++ b/pkgs/servers/osmocom/libasn1c/default.nix
@@ -9,13 +9,13 @@
 
 stdenv.mkDerivation rec {
   pname = "libasn1c";
-  version = "0.9.37";
+  version = "0.9.38";
 
   src = fetchFromGitHub {
     owner = "osmocom";
     repo = "libasn1c";
     rev = version;
-    hash = "sha256-st5KbAUhNFSJ0DmPFYOnNvDQ8xtTNi4t8DNYvEjt9Ns=";
+    hash = "sha256-cnXcUvP6WwHVvpdsIVsMkizlLyg9KMwVj8XYX/nIfic=";
   };
 
   postPatch = ''