diff --git a/.circleci/config.yml b/.circleci/config.yml
index 56b85f6..35375e8 100644
--- a/.circleci/config.yml
+++ b/.circleci/config.yml
@@ -52,8 +52,8 @@ workflows:
   commit:
     jobs:
       - run-static-analyses:
-          version: "1.20"
+          version: "1.19"
       - run-tests:
-          version: "1.20"
+          version: "1.19"
       - run-tests:
-          version: "1.20"
+          version: "1.19"
diff --git a/.github/workflows/pipeline.yml b/.github/workflows/pipeline.yml
index e7e2b6c..7778ef9 100644
--- a/.github/workflows/pipeline.yml
+++ b/.github/workflows/pipeline.yml
@@ -9,7 +9,7 @@ jobs:
   unit-test:
     strategy:
       matrix:
-        go-version: [1.14.x, 1.15.x]
+        go-version: [1.19.x]
         # todo: support windows
         platform: [ubuntu-latest, macos-latest]
         # platform: [ubuntu-latest, macos-latest, windows-latest]
@@ -42,7 +42,7 @@ jobs:
     steps:
       - uses: actions/setup-go@v1
         with:
-          go-version: '1.15.x'
+          go-version: '1.19.x'
 
       - uses: actions/checkout@v1
 
@@ -143,7 +143,7 @@ jobs:
 
       - uses: actions/setup-go@v1
         with:
-          go-version: '1.15.x'
+          go-version: '1.19.x'
 
       - uses: actions/checkout@v1
 
diff --git a/.gitignore b/.gitignore
index 6273870..ee32cf7 100644
--- a/.gitignore
+++ b/.gitignore
@@ -1,5 +1,6 @@
 /.idea
-/bin 
+/bin
+/.tool-versions
 
 # Binaries for programs and plugins
 *.exe