diff --git a/pkgs/development/tools/icestorm/default.nix b/pkgs/development/tools/icestorm/default.nix
index 8195aea8b381..140ff48db55b 100644
--- a/pkgs/development/tools/icestorm/default.nix
+++ b/pkgs/development/tools/icestorm/default.nix
@@ -2,13 +2,13 @@
 
 stdenv.mkDerivation rec {
   name = "icestorm-${version}";
-  version = "2016.05.21";
+  version = "2016.08.18";
 
   src = fetchFromGitHub {
     owner = "cliffordwolf";
     repo = "icestorm";
-    rev = "fb67695a883b29ca670b43ed2733eca9ca161e4d";
-    sha256 = "0zsjpz49qr09g33nz4nfi1inshg37y5zdxnv6f8gkwq7x948rh3z";
+    rev = "12b2295c9087d94b75e374bb205ae4d76cf17e2f";
+    sha256 = "1mmzlqvap6w8n4qzv3idvy51arkgn03692ssplwncy3akjrbsd2b";
   };
 
   buildInputs = [ python3 libftdi ];