diff --git a/test/cabal-simple/default.nix b/test/cabal-simple/default.nix
index c98578cfe..8e1af7e40 100644
--- a/test/cabal-simple/default.nix
+++ b/test/cabal-simple/default.nix
@@ -33,7 +33,7 @@ in recurseIntoAttrs {
   test-shell = (project.shellFor {
       tools = {
         cabal = { cabalProjectLocal = builtins.readFile ../cabal.project.local; };
-        hoogle = { cabalProjectLocal = builtins.readFile ../cabal.project.local; };
+        hoogle = { cabalProjectLocal = builtins.readFile ../cabal.project.local; index-state = "2024-10-26T00:00:00Z"; };
       };
       withHoogle = true;
     }).overrideAttrs (_: _: {
diff --git a/test/shell-for-setup-deps/default.nix b/test/shell-for-setup-deps/default.nix
index 6bf721437..6ee5f6e72 100644
--- a/test/shell-for-setup-deps/default.nix
+++ b/test/shell-for-setup-deps/default.nix
@@ -10,7 +10,7 @@ let
   };
 
   env = project.shellFor {
-    tools.hoogle = { cabalProjectLocal = builtins.readFile ../cabal.project.local; };
+    tools.hoogle = { cabalProjectLocal = builtins.readFile ../cabal.project.local; index-state = "2024-10-26T00:00:00Z"; };
     withHoogle = true;
   };
 
diff --git a/test/shell-for/default.nix b/test/shell-for/default.nix
index a090c83f9..4c26839c8 100644
--- a/test/shell-for/default.nix
+++ b/test/shell-for/default.nix
@@ -20,7 +20,10 @@ let
     packages = ps: with ps; [ pkga pkgb ];
     # This adds cabal-install to the shell, which helps tests because
     # they use a nix-shell --pure. Normally you would BYO cabal-install.
-    tools = { cabal = { cabalProjectLocal = builtins.readFile ../cabal.project.local; }; };
+    tools = {
+      cabal.cabalProjectLocal = builtins.readFile ../cabal.project.local;
+      hoogle.index-state = "2024-10-26T00:00:00Z";
+    };
     exactDeps = true;
     # Avoid duplicate package issues when runghc looks for packages
     packageSetupDeps = false;
@@ -31,7 +34,10 @@ let
     packages = ps: with ps; [ pkga ];
     # This adds cabal-install to the shell, which helps tests because
     # they use a nix-shell --pure. Normally you would BYO cabal-install.
-    tools = { cabal = { cabalProjectLocal = builtins.readFile ../cabal.project.local; }; };
+    tools = {
+      cabal.cabalProjectLocal = builtins.readFile ../cabal.project.local;
+      hoogle.index-state = "2024-10-26T00:00:00Z";
+    };
     exactDeps = true;
     # Avoid duplicate package issues when runghc looks for packages
     packageSetupDeps = false;
@@ -43,7 +49,10 @@ let
     #   packages = ps: with ps; [ pkga pkgb ];
     # This adds cabal-install to the shell, which helps tests because
     # they use a nix-shell --pure. Normally you would BYO cabal-install.
-    tools = { cabal = { cabalProjectLocal = builtins.readFile ../cabal.project.local; }; };
+    tools = {
+      cabal.cabalProjectLocal = builtins.readFile ../cabal.project.local;
+      hoogle.index-state = "2024-10-26T00:00:00Z";
+    };
     # Avoid duplicate package issues when runghc looks for packages
     packageSetupDeps = false;
   };