diff --git a/.github/workflows/lint.yml b/.github/workflows/lint.yml
index c95ac01..b21df91 100644
--- a/.github/workflows/lint.yml
+++ b/.github/workflows/lint.yml
@@ -13,7 +13,7 @@ jobs:
 
     strategy:
       matrix:
-        php-versions: ['7.3', '7.4', '8.0']
+        php-versions: ['7.4', '8.0']
 
     name: php${{ matrix.php-versions }}
     steps:
diff --git a/.github/workflows/phpunit.yml b/.github/workflows/phpunit.yml
index 47d721a..52a2505 100644
--- a/.github/workflows/phpunit.yml
+++ b/.github/workflows/phpunit.yml
@@ -18,7 +18,7 @@ jobs:
       # do not stop on another job's failure
       fail-fast: false
       matrix:
-        php-versions: ['7.3', '7.4', '8.0']
+        php-versions: ['8.0']
         databases: ['sqlite']
         server-versions: ['master']
 
@@ -76,7 +76,7 @@ jobs:
       # do not stop on another job's failure
       fail-fast: false
       matrix:
-        php-versions: ['7.3', '7.4', '8.0']
+        php-versions: ['7.4', '8.0']
         databases: ['mysql']
         server-versions: ['master']
 
@@ -143,7 +143,7 @@ jobs:
       # do not stop on another job's failure
       fail-fast: false
       matrix:
-        php-versions: ['7.3', '7.4', '8.0']
+        php-versions: ['8.0']
         databases: ['pgsql']
         server-versions: ['master']
 
@@ -212,7 +212,7 @@ jobs:
       # do not stop on another job's failure
       fail-fast: false
       matrix:
-        php-versions: ['7.3', '7.4', '8.0']
+        php-versions: ['8.0']
         databases: ['oci']
         server-versions: ['master']