diff --git a/Cargo.toml b/Cargo.toml
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -23,13 +23,13 @@ license = "Apache-2.0 OR BSD-3-Clause"
 [workspace.dependencies]
 asn1 = { version = "0.24.1", default-features = false }
-base64 = "0.23"
+base64 = "0.22"
-cc = "1.2.63"
+cc = "1.2.62"
 cfg-if = "1"
 foreign-types = "0.3"
 foreign-types-shared = "0.1"
 openssl = "0.10.80"
 openssl-sys = "0.9.116"
-pem = { version = "4", default-features = false }
+pem = { version = "3", default-features = false }
 pyo3 = { version = "0.29", features = ["abi3", "abi3t"] }
 pyo3-build-config = { version = "0.29" }
 self_cell = "1"