diff --git a/pkgs/applications/science/logic/abc/default.nix b/pkgs/applications/science/logic/abc/default.nix
index bf7bffd11591..6a20a68324f1 100644
--- a/pkgs/applications/science/logic/abc/default.nix
+++ b/pkgs/applications/science/logic/abc/default.nix
@@ -4,13 +4,13 @@
 
 stdenv.mkDerivation rec {
   pname   = "abc-verifier";
-  version = "unstable-2022-09-08";
+  version = "unstable-2022-11-09";
 
   src = fetchFromGitHub {
     owner = "yosyshq";
     repo  = "abc";
-    rev   = "ab5b16ede2ff3a4ab5209df24db2c76700899684";
-    hash  = "sha256-G4MnBViwIosFDiPfUimGqf6fq1KJlxj+LozmgoKaH3A=";
+    rev   = "be9a35c0363174a7cef21d55ed80d92a9ef95ab1";
+    hash  = "sha256-IN9YgJONcC55N89OXMrMuNuznTdjXNWxR0IngH8OWC8=";
   };
 
   nativeBuildInputs = [ cmake ];
diff --git a/pkgs/development/compilers/yosys/default.nix b/pkgs/development/compilers/yosys/default.nix
index 62bd8b15d1ad..7594d7487659 100644
--- a/pkgs/development/compilers/yosys/default.nix
+++ b/pkgs/development/compilers/yosys/default.nix
@@ -71,13 +71,13 @@ let
 
 in stdenv.mkDerivation rec {
   pname   = "yosys";
-  version = "0.23";
+  version = "0.24";
 
   src = fetchFromGitHub {
     owner = "YosysHQ";
     repo  = "yosys";
     rev   = "${pname}-${version}";
-    hash  = "sha256-mOakdXhSij8k4Eo7RwpKjd59IkNjw31NNFDJtL6Adgo=";
+    hash  = "sha256-rso08/b0ukrh6KYFpn4bFn0pP83URfeJGw28iLIjlPw=";
   };
 
   enableParallelBuilding = true;