diff --git a/openssl-sys/CHANGELOG.md b/openssl-sys/CHANGELOG.md
index 1fbbbd499b..3a1a1f1865 100644
--- a/openssl-sys/CHANGELOG.md
+++ b/openssl-sys/CHANGELOG.md
@@ -2,9 +2,16 @@
 
 ## [Unreleased]
 
+## [v0.9.91] - 2023-08-06
+
 ### Added
 
 * Expose `poly1305_state`, `CRYPTO_poly1305_init`, `CRYPTO_poly1305_update`, and `CRYPTO_poly1305_finish` on BoringSSL and LibreSSL.
+* Fix detection of libraries on OpenBSD.
+* Added `EC_POINT_point2hex` and `EC_POINT_hex2point`.
+* Added `EVP_PKEY_verify_recover_init`, `EVP_PKEY_verify_recover`, and `EVP_PKEY_CTX_set_signature_md`.
+* Added `EVP_CIPHER_CTX_FLAG_WRAP_ALLOW` and `EVP_CTX_set_flags`.
+* Added `BN_mod_sqrt`.
 
 ## [v0.9.90] - 2023-06-20
 
@@ -483,7 +490,8 @@ Fixed builds against OpenSSL built with `no-cast`.
 * Added `X509_verify` and `X509_REQ_verify`.
 * Added `EVP_MD_type` and `EVP_GROUP_get_curve_name`.
 
-[Unreleased]: https://github.com/sfackler/rust-openssl/compare/openssl-sys-v0.9.90..master
+[Unreleased]: https://github.com/sfackler/rust-openssl/compare/openssl-sys-v0.9.91..master
+[v0.9.91]: https://github.com/sfackler/rust-openssl/compare/openssl-sys-v0.9.90...openssl-sys-v0.9.91
 [v0.9.90]: https://github.com/sfackler/rust-openssl/compare/openssl-sys-v0.9.89...openssl-sys-v0.9.90
 [v0.9.89]: https://github.com/sfackler/rust-openssl/compare/openssl-sys-v0.9.88...openssl-sys-v0.9.89
 [v0.9.88]: https://github.com/sfackler/rust-openssl/compare/openssl-sys-v0.9.87...openssl-sys-v0.9.88
diff --git a/openssl-sys/Cargo.toml b/openssl-sys/Cargo.toml
index 9b102fa8dc..3caa72fa79 100644
--- a/openssl-sys/Cargo.toml
+++ b/openssl-sys/Cargo.toml
@@ -1,6 +1,6 @@
 [package]
 name = "openssl-sys"
-version = "0.9.90"
+version = "0.9.91"
 authors = [
     "Alex Crichton <alex@alexcrichton.com>",
     "Steven Fackler <sfackler@gmail.com>",
diff --git a/openssl/CHANGELOG.md b/openssl/CHANGELOG.md
index a0622ecccd..b6bbbb9ce7 100644
--- a/openssl/CHANGELOG.md
+++ b/openssl/CHANGELOG.md
@@ -2,6 +2,17 @@
 
 ## [Unreleased]
 
+## [v0.10.56] - 2023-08-06
+
+## Added
+
+* Added `BigNumRef::mod_sqrt`.
+* Added `PkeyCtxRef::set_signature_md` and `PkeyCtxRef::set_rsa_pss_saltlen`.
+* Added `PkeyCtxRef::verify_recover_init` and `PkeyCtxRef::verify_recover`.
+* Added `BigNumRef::is_even` and `BigNumRef::is_odd`.
+* Added `EcPointRef::to_hex_str` and `EcPoint::from_hex_str`.
+* Added support for AES key wrap and wrap pad.
+
 ## [v0.10.55] - 2023-06-20
 
 ### Fixed
@@ -776,7 +787,8 @@
 
 Look at the [release tags] for information about older releases.
 
-[Unreleased]: https://github.com/sfackler/rust-openssl/compare/openssl-v0.10.55...master
+[Unreleased]: https://github.com/sfackler/rust-openssl/compare/openssl-v0.10.56...master
+[v0.10.56]: https://github.com/sfackler/rust-openssl/compare/openssl-v0.10.55...openssl-v0.10.56
 [v0.10.55]: https://github.com/sfackler/rust-openssl/compare/openssl-v0.10.54...openssl-v0.10.55
 [v0.10.54]: https://github.com/sfackler/rust-openssl/compare/openssl-v0.10.53...openssl-v0.10.54
 [v0.10.53]: https://github.com/sfackler/rust-openssl/compare/openssl-v0.10.52...openssl-v0.10.53
diff --git a/openssl/Cargo.toml b/openssl/Cargo.toml
index 956d08cf9e..17f82ca843 100644
--- a/openssl/Cargo.toml
+++ b/openssl/Cargo.toml
@@ -1,6 +1,6 @@
 [package]
 name = "openssl"
-version = "0.10.55"
+version = "0.10.56"
 authors = ["Steven Fackler <sfackler@gmail.com>"]
 license = "Apache-2.0"
 description = "OpenSSL bindings"
@@ -30,7 +30,7 @@ libc = "0.2"
 once_cell = "1.5.2"
 
 openssl-macros = { version = "0.1.0", path = "../openssl-macros" }
-ffi = { package = "openssl-sys", version = "0.9.89", path = "../openssl-sys" }
+ffi = { package = "openssl-sys", version = "0.9.91", path = "../openssl-sys" }
 
 [dev-dependencies]
 hex = "0.3"