diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index f4fbc1bb6..e53f0de92 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -278,7 +278,7 @@ jobs:
             platform: linux
           - os: windows
             ls: dir
-            interpreter: 3.7 3.8 3.9 3.10 3.11
+            interpreter: 3.7 3.8 3.9 3.10 3.11 pypy3.8 pypy3.9
           - os: windows
             ls: dir
             target: i686
diff --git a/Cargo.lock b/Cargo.lock
index cd646b4ef..58734d66f 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -269,6 +269,7 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "75439f995d07ddfad42b192dfcf3bc66a7ecfd8b4a1f5f6f046aa5c2c5d7677d"
 dependencies = [
  "once_cell",
+ "python3-dll-a",
  "target-lexicon",
 ]
 
@@ -305,6 +306,15 @@ dependencies = [
  "syn",
 ]
 
+[[package]]
+name = "python3-dll-a"
+version = "0.2.6"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "a915bd72824962bf190bbd3e8a044cccb695d1409f73ff5493712eda5136c7a8"
+dependencies = [
+ "cc",
+]
+
 [[package]]
 name = "quote"
 version = "1.0.23"
diff --git a/Cargo.toml b/Cargo.toml
index fb70fedd8..078285ce0 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -51,7 +51,7 @@ crate-type = ["cdylib", "rlib"]
 extension-module = ["pyo3/extension-module"]
 # required for cargo bench
 auto-initialize = ["pyo3/auto-initialize"]
-default = ["mimalloc", "extension-module", "mimalloc/local_dynamic_tls"]
+default = ["mimalloc", "extension-module", "mimalloc/local_dynamic_tls", "pyo3/generate-import-lib"]
 
 [package.metadata.maturin]
 name = "pydantic_core._pydantic_core"