diff --git a/.travis.yml b/.travis.yml
index 6bae8c1..9d1ccca 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -25,9 +25,9 @@ matrix:
             - ubuntu-toolchain-r-test
           packages:
             - gcc-8
-      env: COMPILER=gcc-8 KVER=5.4.4
+      env: COMPILER=gcc-8 KVER=5.4.8
     - compiler: gcc
-      env: COMPILER=gcc-7 KVER=5.4.4
+      env: COMPILER=gcc-7 KVER=5.4.8
     - compiler: gcc
       addons:
         apt:
@@ -35,7 +35,7 @@ matrix:
             - ubuntu-toolchain-r-test
           packages:
             - gcc-6
-      env: COMPILER=gcc-6 KVER=5.4.4
+      env: COMPILER=gcc-6 KVER=5.4.8
     - compiler: gcc
       addons:
         apt: