diff --git a/.drone.yml b/.drone.yml
index 571c5ec..5473a10 100644
--- a/.drone.yml
+++ b/.drone.yml
@@ -1,7 +1,7 @@
 env:
 - REPORT_CARD_GITHUB_STATUS_TOKEN=$$report_card_github_status_token
 - REPORT_CARD_GITHUB_REPO_TOKEN=$$report_card_github_repo_token
-image: clever/drone-go:1.5
+image: clever/drone-go:1.6
 notify:
   email:
     recipients:
diff --git a/Makefile b/Makefile
index d85120d..a20cba0 100644
--- a/Makefile
+++ b/Makefile
@@ -15,7 +15,7 @@ RELEASE_ARTIFACTS := $(COMPRESSED_BUILDS:build/%=release/%)
 
 .PHONY: clean run test $(PKGS) vendor
 
-$(eval $(call golang-version-check,1.5))
+$(eval $(call golang-version-check,1.6))
 
 test: $(PKGS)