diff --git a/docs/hazmat/bindings/openssl.rst b/docs/hazmat/bindings/openssl.rst
index 8aef488..482cfaf 100644
--- a/docs/hazmat/bindings/openssl.rst
+++ b/docs/hazmat/bindings/openssl.rst
@@ -45,4 +45,4 @@
 
 .. _`CFFI`: https://cffi.readthedocs.io
 .. _`OpenSSL`: https://www.openssl.org/
-.. _`thread safety facilities`: https://www.openssl.org/docs/manmaster/crypto/threads.html
+.. _`thread safety facilities`: https://www.openssl.org/docs/man1.0.2/crypto/threads.html
diff --git a/docs/hazmat/primitives/symmetric-encryption.rst b/docs/hazmat/primitives/symmetric-encryption.rst
index 657e706..24b2c04 100644
--- a/docs/hazmat/primitives/symmetric-encryption.rst
+++ b/docs/hazmat/primitives/symmetric-encryption.rst
@@ -613,4 +613,4 @@
 .. _`CRYPTREC`: https://www.cryptrec.go.jp/english/
 .. _`significant patterns in the output`: https://en.wikipedia.org/wiki/Block_cipher_mode_of_operation#Electronic_Codebook_.28ECB.29
 .. _`International Data Encryption Algorithm`: https://en.wikipedia.org/wiki/International_Data_Encryption_Algorithm
-.. _`OpenPGP`: http://www.openpgp.org
+.. _`OpenPGP`: http://openpgp.org