diff --git a/bamboo-specs/release.yaml b/bamboo-specs/release.yaml
index 059c3805..1b8ade83 100644
--- a/bamboo-specs/release.yaml
+++ b/bamboo-specs/release.yaml
@@ -7,7 +7,7 @@
 # Make sure to sync any changes with the branch overrides below.
 'variables':
   'channel': 'edge'
-  'dockerGo': 'adguard/golang-ubuntu:6.5'
+  'dockerGo': 'adguard/golang-ubuntu:6.6'
 
 'stages':
 - 'Build frontend':
@@ -330,7 +330,7 @@
     # need to build a few of these.
     'variables':
       'channel': 'beta'
-      'dockerGo': 'adguard/golang-ubuntu:6.5'
+      'dockerGo': 'adguard/golang-ubuntu:6.6'
 # release-vX.Y.Z branches are the branches from which the actual final release
 # is built.
 - '^release-v[0-9]+\.[0-9]+\.[0-9]+':
@@ -345,4 +345,4 @@
     # are the ones that actually get released.
     'variables':
       'channel': 'release'
-      'dockerGo': 'adguard/golang-ubuntu:6.5'
+      'dockerGo': 'adguard/golang-ubuntu:6.6'
diff --git a/bamboo-specs/test.yaml b/bamboo-specs/test.yaml
index b06ebead..0f368339 100644
--- a/bamboo-specs/test.yaml
+++ b/bamboo-specs/test.yaml
@@ -5,7 +5,7 @@
   'key': 'AHBRTSPECS'
   'name': 'AdGuard Home - Build and run tests'
 'variables':
-  'dockerGo': 'adguard/golang-ubuntu:6.5'
+  'dockerGo': 'adguard/golang-ubuntu:6.6'
 
 'stages':
 - 'Tests':