diff --git a/.circleci/config.yml b/.circleci/config.yml
index 95e63d81754f30895875de3d653d2c373587b2d7..649ce4292375f5c7bfa275f23b73a9feb87f250c 100644
--- a/.circleci/config.yml
+++ b/.circleci/config.yml
@@ -202,13 +202,13 @@ jobs:
 
 openssl_111: &openssl_111
   library: openssl
-  version: 1.1.1b
+  version: 1.1.1c
 openssl_110: &openssl_110
   library: openssl
-  version: 1.1.0j
+  version: 1.1.0k
 openssl_102: &openssl_102
   library: openssl
-  version: 1.0.2r
+  version: 1.0.2s
 openssl_101: &openssl_101
   library: openssl
   version: 1.0.1u
diff --git a/appveyor.yml b/appveyor.yml
index e306233052e41ca64cab1c6dd66dca0721f35e91..e050d00c7e2767d8b059f8d4e73f55be33559f33 100644
--- a/appveyor.yml
+++ b/appveyor.yml
@@ -4,13 +4,13 @@ environment:
     # 1.1.1, 64 bit
     - TARGET: x86_64-pc-windows-msvc
       BITS: 64
-      OPENSSL_VERSION: 1_1_1b
+      OPENSSL_VERSION: 1_1_1c
       OPENSSL_DIR: C:\OpenSSL
 
     # 1.0.2, 32 bit
     - TARGET: i686-pc-windows-msvc
       BITS: 32
-      OPENSSL_VERSION: 1_0_2r
+      OPENSSL_VERSION: 1_0_2s
       OPENSSL_DIR: C:\OpenSSL
 
     # mingw