diff --git a/pkgs/development/haskell-modules/hotfixes/openapi3.nix b/pkgs/development/haskell-modules/hotfixes/openapi3.nix
new file mode 100644
index 000000000000..0f95b566d5a0
--- /dev/null
+++ b/pkgs/development/haskell-modules/hotfixes/openapi3.nix
@@ -0,0 +1,37 @@
+{ mkDerivation, aeson, aeson-pretty, base, base-compat-batteries
+, bytestring, Cabal, cabal-doctest, containers, cookie, doctest
+, generics-sop, Glob, hashable, hspec, hspec-discover, http-media
+, HUnit, insert-ordered-containers, lens, lib, mtl, optics-core
+, optics-th, QuickCheck, quickcheck-instances, scientific
+, template-haskell, text, time, transformers, unordered-containers
+, utf8-string, uuid-types, vector
+}:
+mkDerivation {
+  pname = "openapi3";
+  version = "3.2.4";
+  sha256 = "dbcb90464b4712a03c37fa3fcaca3a6784ace2794d85730a8a8c5d9b3ea14ba0";
+  revision = "1";
+  editedCabalFile = "08ikd506fxz3pllg5w8lx9yn9qfqlx9il9xwzz7s17yxn5k3xmnk";
+  isLibrary = true;
+  isExecutable = true;
+  setupHaskellDepends = [ base Cabal cabal-doctest ];
+  libraryHaskellDepends = [
+    aeson aeson-pretty base base-compat-batteries bytestring containers
+    cookie generics-sop hashable http-media insert-ordered-containers
+    lens mtl optics-core optics-th QuickCheck scientific
+    template-haskell text time transformers unordered-containers
+    uuid-types vector
+  ];
+  executableHaskellDepends = [ aeson base lens text ];
+  testHaskellDepends = [
+    aeson base base-compat-batteries bytestring containers doctest Glob
+    hashable hspec HUnit insert-ordered-containers lens mtl QuickCheck
+    quickcheck-instances template-haskell text time
+    unordered-containers utf8-string vector
+  ];
+  testToolDepends = [ hspec-discover ];
+  homepage = "https://github.com/biocad/openapi3";
+  description = "OpenAPI 3.0 data model";
+  license = lib.licenses.bsd3;
+  mainProgram = "example";
+}
diff --git a/pkgs/development/haskell-modules/hotfixes/update.sh b/pkgs/development/haskell-modules/hotfixes/update.sh
index 6900666012d2..beea2a81a9cc 100755
--- a/pkgs/development/haskell-modules/hotfixes/update.sh
+++ b/pkgs/development/haskell-modules/hotfixes/update.sh
@@ -7,3 +7,4 @@ cabal2nix cabal://hercules-ci-api-core >hercules-ci-api-core.nix
 cabal2nix cabal://hercules-ci-cli >hercules-ci-cli.nix
 cabal2nix cabal://hercules-ci-cnix-expr >hercules-ci-cnix-expr.nix
 cabal2nix cabal://hercules-ci-cnix-store >hercules-ci-cnix-store.nix
+cabal2nix cabal://openapi3 >openapi3.nix
diff --git a/pkgs/development/haskell-modules/non-hackage-packages.nix b/pkgs/development/haskell-modules/non-hackage-packages.nix
index 01d1cbb65823..576a0761301e 100644
--- a/pkgs/development/haskell-modules/non-hackage-packages.nix
+++ b/pkgs/development/haskell-modules/non-hackage-packages.nix
@@ -49,4 +49,5 @@ self: super: {
   hercules-ci-cli = self.callPackage ./hotfixes/hercules-ci-cli.nix {};
   hercules-ci-cnix-expr = self.callPackage ./hotfixes/hercules-ci-cnix-expr.nix {};
   hercules-ci-cnix-store = self.callPackage ./hotfixes/hercules-ci-cnix-store.nix {};
+  openapi3 = self.callPackage ./hotfixes/openapi3.nix {};
 }