diff --git a/ChangeLog b/ChangeLog
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,3 +1,10 @@
+2017-08-14  Vladimir Shabanov  <vshabanoff@gmail.com>
+
+	* HsOpenSSL.cabal (Version): Bump version to 0.11.4.11
+
+	* cbits/HsOpenSSL.h: Hack OpenSSL version number when using LibreSSL
+	by Javier López @TheLinuxKitten (#31)
+
 2017-07-25  Vladimir Shabanov  <vshabanoff@gmail.com>
 
 	* HsOpenSSL.cabal (Version): Bump version to 0.11.4.10
diff --git a/HsOpenSSL.cabal b/HsOpenSSL.cabal
--- a/HsOpenSSL.cabal
+++ b/HsOpenSSL.cabal
@@ -12,7 +12,7 @@
     <http://hackage.haskell.org/package/tls>, which is a pure Haskell
     implementation of SSL.
     .
-Version:       0.11.4.10
+Version:       0.11.4.11
 License:       PublicDomain
 License-File:  COPYING
 Author:        Adam Langley, Mikhail Vorozhtsov, PHO, Taru Karttunen
@@ -23,7 +23,7 @@
 Category:      Cryptography
 Cabal-Version: >= 1.12
 Tested-With:
-    GHC==8.0.2, GHC==7.10.3, GHC==7.8.4, GHC==7.6.3, GHC==7.4.2, GHC==7.2.2
+    GHC==8.2.1, GHC==8.0.2, GHC==7.10.3
 Build-Type:    Custom
 Extra-Source-Files:
     AUTHORS
diff --git a/cbits/HsOpenSSL.h b/cbits/HsOpenSSL.h
--- a/cbits/HsOpenSSL.h
+++ b/cbits/HsOpenSSL.h
@@ -32,6 +32,12 @@
 #  include "../dist/build/autogen/cabal_macros.h"
 #endif
 
+/* LibreSSL *******************************************************************/
+#if (defined LIBRESSL_VERSION_NUMBER && OPENSSL_VERSION_NUMBER == 0x20000000L)
+#undef OPENSSL_VERSION_NUMBER
+#define OPENSSL_VERSION_NUMBER 0x1000107fL
+#endif
+
 /* OpenSSL ********************************************************************/
 void HsOpenSSL_init();
 void HsOpenSSL_OPENSSL_free(void* ptr);