diff --git a/pkgs/development/libraries/dyncall/default.nix b/pkgs/development/libraries/dyncall/default.nix
index 0e3fa3ac7dc0..8a829aa3c91c 100644
--- a/pkgs/development/libraries/dyncall/default.nix
+++ b/pkgs/development/libraries/dyncall/default.nix
@@ -2,12 +2,12 @@
 
 stdenv.mkDerivation {
   pname = "dyncall";
-  version = "1.1";
+  version = "1.2";
 
   src = fetchurl {
-    url = "https://www.dyncall.org/r1.1/dyncall-1.1.tar.gz";
-    # https://www.dyncall.org/r1.1/SHA256
-    sha256 = "cf97fa3f142db832ff34235caa4d69a7d5f16716573d446b2d95069126e88795";
+    url = "https://www.dyncall.org/r1.2/dyncall-1.2.tar.gz";
+    # https://www.dyncall.org/r1.2/SHA256
+    sha256 = "sha256-6IFUwCQ0IVYHBPXHKUr73snpka+gYB1a3/UELqgYCNc=";
   };
 
   # XXX: broken tests, failures masked, lets avoid crashing a bunch for now :)