diff --git a/nix/configuration/configuration.nix b/nix/configuration/configuration.nix
index 691f958..755773a 100644
--- a/nix/configuration/configuration.nix
+++ b/nix/configuration/configuration.nix
@@ -283,6 +283,27 @@ in
         (disableOptimizations "zopfli")
         (disableOptimizations "nototools") # Needs to use the same version of python as the zopfli package
         (disableOptimizations "lib2geom") # Tests failing: ellipse-test, elliptical-arc-test, line-test, polynomial-test
+        (final: prev: {
+          pythonPackagesExtensions = prev.pythonPackagesExtensions ++ [
+            (python-final: python-prev: {
+              aiohttp-client-cache = python-prev.aiohttp-client-cache.overridePythonAttrs (
+                oldAttrs:
+                let
+                  version = "0.15.0";
+                in
+                {
+                  inherit version;
+
+                  src = final.fetchPypi {
+                    pname = "aiohttp_client_cache";
+                    inherit version;
+                    hash = "sha256-Jk+n1pvNsuT+mZTn9Bq17sfLuipfXiYNRE0AL5Ym43Q=";
+                  };
+                }
+              );
+            })
+          ];
+        })
       ];
 
     hardware.firmware =