diff --git a/.github/workflows/qa.yml b/.github/workflows/qa.yml
index b3d2c0122..18f64f837 100644
--- a/.github/workflows/qa.yml
+++ b/.github/workflows/qa.yml
@@ -12,7 +12,7 @@ jobs:
   crystal:
     runs-on: ubuntu-latest
     container:
-      image: crystallang/crystal:1.7.2
+      image: crystallang/crystal:1.7.3
     steps:
       - uses: actions/checkout@v1
       - name: Install shards
@@ -22,7 +22,7 @@ jobs:
   docs:
     runs-on: ubuntu-latest
     container:
-      image: crystallang/crystal:1.7.2
+      image: crystallang/crystal:1.7.3
     steps:
       - uses: actions/checkout@v1
       - name: Use Node.js 16.x
diff --git a/.github/workflows/specs.yml b/.github/workflows/specs.yml
index 942397089..79d8e0507 100644
--- a/.github/workflows/specs.yml
+++ b/.github/workflows/specs.yml
@@ -26,7 +26,7 @@ jobs:
       matrix:
         crystal: [
           '1.6.2',
-          '1.7.2',
+          '1.7.3',
           'nightly',
         ]
     container:
@@ -69,7 +69,7 @@ jobs:
         db_version: ['11', '12', '13', '14', '15', 'latest']
         crystal: [
           '1.6.2',
-          '1.7.2',
+          '1.7.3',
           'nightly',
         ]
     container:
@@ -101,7 +101,7 @@ jobs:
       matrix:
         crystal: [
           '1.6.2',
-          '1.7.2',
+          '1.7.3',
           'nightly',
         ]
     container: