diff --git a/docs/hazmat/backends/openssl.rst b/docs/hazmat/backends/openssl.rst
index 52aeeaf..07ae74a 100644
--- a/docs/hazmat/backends/openssl.rst
+++ b/docs/hazmat/backends/openssl.rst
@@ -106,7 +106,7 @@
 +------------------------------------------+------------------------------+
 | Windows                                  | ``CryptGenRandom()``         |
 +------------------------------------------+------------------------------+
-| Linux >= 3.4.17 with working             | ``getrandom(GRND_NONBLOCK)`` |
+| Linux >= 3.17 with working               | ``getrandom(GRND_NONBLOCK)`` |
 | ``SYS_getrandom`` syscall                |                              |
 +------------------------------------------+------------------------------+
 | OpenBSD >= 5.6                           | ``getentropy()``             |
diff --git a/src/_cffi_src/openssl/src/osrandom_engine.c b/src/_cffi_src/openssl/src/osrandom_engine.c
index 315d5f1..697381c 100644
--- a/src/_cffi_src/openssl/src/osrandom_engine.c
+++ b/src/_cffi_src/openssl/src/osrandom_engine.c
@@ -4,7 +4,7 @@
  * macOS >= 10.12  getentropy()
  * OpenBSD 5.6+    getentropy()
  * other BSD       getentropy() if SYS_getentropy is defined
- * Linux 3.4.17+   getrandom() with fallback to /dev/urandom
+ * Linux 3.17+     getrandom() with fallback to /dev/urandom
  * other           /dev/urandom with cached fd
  *
  * The /dev/urandom, getrandom and getentropy code is derived from Python's
diff --git a/src/_cffi_src/openssl/src/osrandom_engine.h b/src/_cffi_src/openssl/src/osrandom_engine.h
index e7a55c5..53f957f 100644
--- a/src/_cffi_src/openssl/src/osrandom_engine.h
+++ b/src/_cffi_src/openssl/src/osrandom_engine.h
@@ -41,7 +41,7 @@
      * to urandom */
     #define CRYPTOGRAPHY_OSRANDOM_ENGINE CRYPTOGRAPHY_OSRANDOM_ENGINE_GETENTROPY
   #elif defined(__linux__) && defined(SYS_getrandom)
-    /* Linux 3.4.17+ */
+    /* Linux 3.17+ */
     #define CRYPTOGRAPHY_OSRANDOM_ENGINE CRYPTOGRAPHY_OSRANDOM_ENGINE_GETRANDOM
   #else
     /* Keep this as last entry, fall back to /dev/urandom */