diff --git a/pkgs/development/libraries/libdatachannel/default.nix b/pkgs/development/libraries/libdatachannel/default.nix
index cc6a340355ba..94c414a08356 100644
--- a/pkgs/development/libraries/libdatachannel/default.nix
+++ b/pkgs/development/libraries/libdatachannel/default.nix
@@ -14,13 +14,13 @@
 
 stdenv.mkDerivation rec {
   pname = "libdatachannel";
-  version = "0.21.1";
+  version = "0.21.2";
 
   src = fetchFromGitHub {
     owner = "paullouisageneau";
     repo = "libdatachannel";
     rev = "v${version}";
-    hash = "sha256-sTdA4kCIdY3l/YUNKbXzRDS1O0AFx90k94W3cJpfLIY=";
+    hash = "sha256-3fax57oaJvOgbTDPCiiUdtsfAGhICfPkuMihawq06SA=";
   };
 
   outputs = [ "out" "dev" ];