diff --git a/pkgs/applications/science/logic/egglog/default.nix b/pkgs/applications/science/logic/egglog/default.nix
index c74594df28f..c2e46c6801b 100644
--- a/pkgs/applications/science/logic/egglog/default.nix
+++ b/pkgs/applications/science/logic/egglog/default.nix
@@ -5,13 +5,13 @@
 
 rustPlatform.buildRustPackage {
   pname = "egglog";
-  version = "unstable-2023-08-19";
+  version = "unstable-2023-08-23";
 
   src = fetchFromGitHub {
     owner = "egraphs-good";
     repo = "egglog";
-    rev = "a4768b1751b72292b0e79e6e442d54ab270748fb";
-    hash = "sha256-WTdMhtdPvBtS6WAS3S4dui/8ospJ7nkeRhLce2zY8KE=";
+    rev = "9e530381961a59524f2bbacd89973575b4e036d8";
+    hash = "sha256-xzfa1Z7ibSO4D5zpprC7heaswA7Be5Qmb81XoDwANqw=";
   };
 
   cargoLock = {