diff --git a/.github/workflows/e2e.yaml b/.github/workflows/e2e.yaml
index a39e00d7c..785500915 100644
--- a/.github/workflows/e2e.yaml
+++ b/.github/workflows/e2e.yaml
@@ -13,7 +13,7 @@ jobs:
     - uses: actions/checkout@v2
     - uses: actions/setup-go@v2
       with:
-        go-version: "1.16.3"
+        go-version: "1.16.15"
     - run: date
     - env:
         TARGET: ${{ matrix.target }}
diff --git a/.github/workflows/functional.yaml b/.github/workflows/functional.yaml
index 75842485e..3c488a97f 100644
--- a/.github/workflows/functional.yaml
+++ b/.github/workflows/functional.yaml
@@ -12,7 +12,7 @@ jobs:
     - uses: actions/checkout@v2
     - uses: actions/setup-go@v2
       with:
-        go-version: "1.16.3"
+        go-version: "1.16.15"
     - run: date
     - env:
         TARGET: ${{ matrix.target }}
diff --git a/.github/workflows/grpcproxy.yaml b/.github/workflows/grpcproxy.yaml
index c2b90fdc4..9d966067b 100644
--- a/.github/workflows/grpcproxy.yaml
+++ b/.github/workflows/grpcproxy.yaml
@@ -12,7 +12,7 @@ jobs:
     - uses: actions/checkout@v2
     - uses: actions/setup-go@v2
       with:
-        go-version: "1.16.3"
+        go-version: "1.16.15"
     - run: date
     - env:
         TARGET: ${{ matrix.target }}
diff --git a/.github/workflows/tests.yaml b/.github/workflows/tests.yaml
index eb7ba4cf4..8f337987a 100644
--- a/.github/workflows/tests.yaml
+++ b/.github/workflows/tests.yaml
@@ -18,7 +18,7 @@ jobs:
     - uses: actions/checkout@v2
     - uses: actions/setup-go@v2
       with:
-        go-version: "1.16.3"
+        go-version: "1.16.15"
     - run: date
     - env:
         TARGET: ${{ matrix.target }}
diff --git a/.travis.yml b/.travis.yml
index 6cf103e80..bf90edbde 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -6,7 +6,7 @@ sudo: required
 services: docker
 
 go:
-  - "1.16.3"
+  - "1.16.15"
   - tip
 
 notifications:
@@ -21,14 +21,14 @@ env:
 matrix:
   fast_finish: true
   allow_failures:
-    - go: "1.16.3"
+    - go: "1.16.15"
       env: TARGET=linux-amd64-coverage
     - go: tip
       env: TARGET=linux-amd64-fmt-unit-go-tip-2-cpu
   exclude:
     - go: tip
       env: TARGET=linux-amd64-coverage
-    - go: "1.16.3"
+    - go: "1.16.15"
       env: TARGET=linux-amd64-fmt-unit-go-tip-2-cpu
 
 before_install:
diff --git a/Makefile b/Makefile
index bfd6741c6..3cdd2168e 100644
--- a/Makefile
+++ b/Makefile
@@ -55,7 +55,7 @@ docker-remove:
 
 
 
-GO_VERSION ?= 1.16.3
+GO_VERSION ?= 1.16.15
 ETCD_VERSION ?= $(shell git rev-parse --short HEAD || echo "GitNotFound")
 
 TEST_SUFFIX = $(shell date +%s | base64 | head -c 15)