diff --git a/.drone.yml b/.drone.yml
index 3f393fe..5f95fc1 100644
--- a/.drone.yml
+++ b/.drone.yml
@@ -39,7 +39,7 @@ pipeline:
       event: [ tag ]
       branch: [ refs/tags/* ]
       matrix:
-        GO_VERSION: 1.7.4
+        GO_VERSION: 1.7.5
 
   docker:
     image: plugins/docker
@@ -64,7 +64,7 @@ pipeline:
     when:
       status: [ success, failure ]
       matrix:
-        GO_VERSION: 1.7.4
+        GO_VERSION: 1.7.5
 
   github:
     image: plugins/github-release
@@ -74,7 +74,7 @@ pipeline:
       event: [ tag ]
       branch: [ refs/tags/* ]
       matrix:
-        GO_VERSION: 1.7.4
+        GO_VERSION: 1.7.5
 
   # rebuild the cache on the sftp server
   rebuild_cache:
@@ -85,7 +85,7 @@ pipeline:
     when:
       branch: master
       matrix:
-        GO_VERSION: 1.7.4
+        GO_VERSION: 1.7.5
 
 services:
   redis:
@@ -93,5 +93,5 @@ services:
 
 matrix:
   GO_VERSION:
-    - 1.7.4
+    - 1.7.5
     - 1.6.4
diff --git a/.drone.yml.sig b/.drone.yml.sig
index 4142477..bd80bb4 100644
--- a/.drone.yml.sig
+++ b/.drone.yml.sig
@@ -1 +1 @@
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\ No newline at end of file
+eyJhbGciOiJIUzI1NiJ9.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.3paYun8ExYCW5997jBil8HLOmXWJ5tCkTBd_LW7apOg
\ No newline at end of file
diff --git a/.travis.yml b/.travis.yml
index e07f53e..aee7587 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -6,8 +6,8 @@ services:
   - redis
 
 go:
-  - 1.6.4
-  - 1.7.4
+  - 1.6.x
+  - 1.7.x
   - tip
 
 cache: