diff --git a/CHANGELOG b/CHANGELOG
index 919ee4a6c..acf452d2a 100644
--- a/CHANGELOG
+++ b/CHANGELOG
@@ -1,5 +1,11 @@
 This is the changelog file for the POCO C++ Libraries.
 
+Release 1.7.8p1 (2017-04-16)
+============================
+
+- fixed GH #1655: CipherImpl memory leak with OpenSSL 1.1
+
+
 Release 1.7.8 (2017-02-21)
 ==========================
 
diff --git a/Crypto/src/CipherImpl.cpp b/Crypto/src/CipherImpl.cpp
index b8708a78c..6ee2bb9d4 100644
--- a/Crypto/src/CipherImpl.cpp
+++ b/Crypto/src/CipherImpl.cpp
@@ -119,6 +119,7 @@ namespace
 	{
 #if OPENSSL_VERSION_NUMBER >= 0x10100000L
 		EVP_CIPHER_CTX_cleanup(_pContext);
+		EVP_CIPHER_free(_pContext);
 #else
 		EVP_CIPHER_CTX_cleanup(&_context);
 #endif
diff --git a/DLLVersion.rc b/DLLVersion.rc
index 5b686cb4e..f032f2cb9 100644
--- a/DLLVersion.rc
+++ b/DLLVersion.rc
@@ -4,8 +4,8 @@
 
 #include "winres.h"
 
-#define POCO_VERSION 1,7,8,0
-#define POCO_VERSION_STR "1.7.8"
+#define POCO_VERSION 1,7,8,1
+#define POCO_VERSION_STR "1.7.8p1"
 
 VS_VERSION_INFO VERSIONINFO
  FILEVERSION POCO_VERSION
diff --git a/Foundation/include/Poco/Version.h b/Foundation/include/Poco/Version.h
index e579af3d4..b73602ae5 100644
--- a/Foundation/include/Poco/Version.h
+++ b/Foundation/include/Poco/Version.h
@@ -37,7 +37,7 @@
 //      Ax: alpha releases
 //      Bx: beta releases
 //
-#define POCO_VERSION 0x01070800
+#define POCO_VERSION 0x01070801
 
 
 #endif // Foundation_Version_INCLUDED
diff --git a/VERSION b/VERSION
index 84298f96d..5c7e180ac 100644
--- a/VERSION
+++ b/VERSION
@@ -1 +1 @@
-1.7.8
+1.7.8p1
diff --git a/doc/99100-ReleaseNotes.page b/doc/99100-ReleaseNotes.page
index 69222fe9e..9fb86934d 100644
--- a/doc/99100-ReleaseNotes.page
+++ b/doc/99100-ReleaseNotes.page
@@ -1,6 +1,13 @@
 POCO C++ Libraries Release Notes
 AAAIntroduction
 
+!!!Release 1.7.8p1
+
+!!Summary of Changes
+
+  - fixed GH #1655: CipherImpl memory leak with OpenSSL 1.1
+
+
 !!!Release 1.7.8
 
 !!Summary of Changes