diff --git a/Cargo.toml b/Cargo.toml
index 540a19e4f089..78846bb7ec41 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -30,7 +30,7 @@ foreign-types-shared = "0.1"
 openssl = "0.10.80"
 openssl-sys = "0.9.116"
 pem = { version = "3", default-features = false }
-pyo3 = { version = "0.29", features = ["abi3"] }
+pyo3 = { version = "0.29", features = ["abi3", "abi3t"] }
 pyo3-build-config = { version = "0.29" }
 self_cell = "1"
 
diff --git a/pyproject.toml b/pyproject.toml
index 9ee9b787a077..60fca02c6279 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -2,10 +2,10 @@
 # These requirements must be kept sync with the requirements in
 # ./.github/requirements/build-requirements.{in,txt}
 requires = [
-    "maturin>=1.9.4,<2,!=1.12.0",
+    "maturin>=1.14.1,<2",
 
     # Must be kept in sync with `project.dependencies`
-    "cffi>=2.0.0; platform_python_implementation != 'PyPy'",
+    "cffi @ git+https://github.com/ngoldbaum/cffi@abi3t.abi3 ; platform_python_implementation != 'PyPy'",
     # Used by cffi (which import distutils, and in Python 3.12, distutils has
     # been removed from the stdlib, but installing setuptools puts it back) as
     # well as our build.rs for the rust/cffi bridge.