diff --git a/nix/openroad.nix b/nix/openroad.nix
index 4b157bf39..e16d62fee 100644
--- a/nix/openroad.nix
+++ b/nix/openroad.nix
@@ -44,13 +44,13 @@
 }:
 clangStdenv.mkDerivation rec {
   name = "openroad";
-  rev = "75f2f325b7a42e56a92404f33af8e96530d9b202";
+  rev = "c1fc5f730a59874a1b9735be82d267da8417c6e7";
 
   src = fetchFromGitHub {
     owner = "The-OpenROAD-Project";
     repo = "OpenROAD";
     inherit rev;
-    sha256 = "sha256-QZ6Oui4JF4Z6e7SeAGI6pE8knbkOrdhVegABzmJHYhs=";
+    sha256 = "sha256-vcJBm3IIsSqbUM5F1ONaqmtHtxZZFFck2zenwWkRAuw=";
   };
 
   cmakeFlagsAll = [
diff --git a/nix/opensta.nix b/nix/opensta.nix
index 60b78b8e4..75e6c6d0e 100644
--- a/nix/opensta.nix
+++ b/nix/opensta.nix
@@ -26,13 +26,13 @@
 }:
 clangStdenv.mkDerivation rec {
   name = "opensta";
-  rev = "5b374dd36ad345c9fcd5224e9fc20484393568ab";
+  rev = "42b994d429aef6d553baae6aac8c23477b6e0654";
 
   src = fetchFromGitHub {
     owner = "The-OpenROAD-Project";
     repo = "OpenSTA";
     inherit rev;
-    sha256 = "sha256-80pwZbk6EhjK8P5ghRtqxDnPPFmeQIUpG3ly1cTdx/4=";
+    sha256 = "sha256-N0oU8INj+kaGOLHRIVOEIV2Dh8fB0GUBbLIBMYlXJYE=";
   };
 
   cmakeFlags = [