diff --git a/crem.cabal b/crem.cabal
index ba932c6..9b6a048 100644
--- a/crem.cabal
+++ b/crem.cabal
@@ -31,6 +31,11 @@ flag errors
   manual: True
   default: False
 
+flag test-doctest
+  description: run doctests
+  manual: True
+  default: True
+
 library
   exposed-modules:
       Crem.BaseMachine
@@ -341,11 +346,14 @@ test-suite crem-doctests
       LambdaCase
       PackageImports
   ghc-options: -Weverything -Wno-safe -Wno-unsafe -Wno-missing-safe-haskell-mode -Wno-implicit-prelude -Wno-missing-export-lists -Wno-missing-home-modules -Wno-missing-import-lists -Wno-all-missed-specialisations -Wno-prepositive-qualified-module -threaded -Wno-unused-packages
-  build-depends:
-      base >=4.15 && <4.19
-    , crem
-    , crem-examples
-    , doctest-parallel >=0.2.3 && <0.4
+  if !flag(test-doctest)
+    buildable: False
+  else
+    build-depends:
+        base >=4.15 && <4.19
+      , crem
+      , crem-examples
+      , doctest-parallel >=0.2.3 && <0.4
   default-language: Haskell2010
   if impl(ghc >= 9.2)
     ghc-options: -Wno-missing-kind-signatures
diff --git a/flake.nix b/flake.nix
index 20a8eca..582c821 100644
--- a/flake.nix
+++ b/flake.nix
@@ -38,12 +38,12 @@
         haskellPackages.override {
           overrides = self: super: {
             hpack = pkgs.hpack;
-            crem = (self.callCabal2nix "crem" src { }).overrideAttrs (attrs: {
+            crem = pkgs.haskell.lib.compose.disableCabalFlag "test-doctest" ((self.callCabal2nix "crem" src { }).overrideAttrs (attrs: {
               # doctest-parallel needs to know where the compiled crem package is
               preCheck = ''
                 export GHC_PACKAGE_PATH="dist/package.conf.inplace:$GHC_PACKAGE_PATH"
               '';
-            });
+            }));
             fourmolu = pkgs.haskell.packages.ghc944.fourmolu;
           };
         };