diff --git a/.appveyor.yml b/.appveyor.yml
index 4f9a40c5..b0bb194a 100644
--- a/.appveyor.yml
+++ b/.appveyor.yml
@@ -162,8 +162,8 @@ install:
         }
     # Download OpenSSL source
     - CD C:\Others
-    - IF NOT EXIST OpenSSL_1_0_2l.zip (
-        curl -fsSL -o OpenSSL_1_0_2l.zip https://github.com/openssl/openssl/archive/OpenSSL_1_0_2l.zip
+    - IF NOT EXIST OpenSSL_1_0_2m.zip (
+        curl -fsSL -o OpenSSL_1_0_2m.zip https://github.com/openssl/openssl/archive/OpenSSL_1_0_2m.zip
       )
 
     # To use OpenSSL >= 1.1.0, both libpq and psycopg build environments have
@@ -175,15 +175,15 @@ install:
     #    - nmake build_libs install_dev
     - IF NOT EXIST %OPENSSLTOP%\lib\ssleay32.lib (
         CD %BUILD_DIR% &&
-        7z x C:\Others\OpenSSL_1_0_2l.zip &&
-        CD openssl-OpenSSL_1_0_2l &&
+        7z x C:\Others\OpenSSL_1_0_2m.zip &&
+        CD openssl-OpenSSL_1_0_2m &&
         perl Configure %TARGET% no-asm no-shared no-zlib --prefix=%OPENSSLTOP% --openssldir=%OPENSSLTOP% &&
         CALL ms\%DO% &&
         nmake -f ms\nt.mak init headers lib &&
         COPY inc32\openssl\*.h %OPENSSLTOP%\include\openssl &&
         COPY out32\*.lib %OPENSSLTOP%\lib &&
         CD %BASE_DIR% &&
-        RMDIR /S /Q %BUILD_DIR%\openssl-OpenSSL_1_0_2l
+        RMDIR /S /Q %BUILD_DIR%\openssl-OpenSSL_1_0_2m
       )
 
     # Setup directories for building PostgreSQL librarires
@@ -197,8 +197,8 @@ install:
 
     # Download PostgreSQL source
     - CD C:\Others
-    - IF NOT EXIST postgres-REL_10_0.zip (
-        curl -fsSL -o postgres-REL_10_0.zip https://github.com/postgres/postgres/archive/REL_10_0.zip
+    - IF NOT EXIST postgres-REL_10_1.zip (
+        curl -fsSL -o postgres-REL_10_1.zip https://github.com/postgres/postgres/archive/REL_10_1.zip
       )
 
     # Setup build config file (config.pl)
@@ -209,11 +209,11 @@ install:
     # Prepare local include directory for building from
     # Build pg_config in place
     # NOTE: Cannot set and use the same variable inside an IF
-    - SET PGBUILD=%BUILD_DIR%\postgres-REL_10_0
+    - SET PGBUILD=%BUILD_DIR%\postgres-REL_10_1
     - IF NOT EXIST %PGTOP%\lib\libpq.lib (
         CD %BUILD_DIR% &&
-        7z x C:\Others\postgres-REL_10_0.zip &&
-        CD postgres-REL_10_0\src\tools\msvc &&
+        7z x C:\Others\postgres-REL_10_1.zip &&
+        CD postgres-REL_10_1\src\tools\msvc &&
         ECHO $config-^>{ldap} = 0; > config.pl &&
         ECHO $config-^>{openssl} = "%OPENSSLTOP:\=\\%"; >> config.pl &&
         ECHO.>> config.pl &&
diff --git a/NEWS b/NEWS
index 98e2db3c..3ed5ca72 100644
--- a/NEWS
+++ b/NEWS
@@ -9,6 +9,7 @@ What's new in psycopg 2.7.4
 - Fixed parsing of array of points as floats (:ticket:`#613`).
 - Fixed `~psycopg2.__libpq_version__` building with libpq >= 10.1
   (:ticket:`632`).
+- Wheel packages compiled against PostgreSQL 10.1 libpq and OpenSSL 1.0.2m.
 
 
 What's new in psycopg 2.7.3.2
diff --git a/scripts/appveyor.cache_rebuild b/scripts/appveyor.cache_rebuild
index 8ecd97fb..da1b2be5 100644
--- a/scripts/appveyor.cache_rebuild
+++ b/scripts/appveyor.cache_rebuild
@@ -9,10 +9,10 @@ To invalidate the cache, update this file and check it into git.
 Currently used modules built in the cache:
 
 OpenSSL
-        Version: 1.0.2l
+        Version: 1.0.2m
 
 PostgreSQL
-        Version: 10.0
+        Version: 10.1
 
 
 NOTE: to zap the cache manually you can also use: