diff --git a/.github/workflows/python-package.yml b/.github/workflows/python-package.yml
index b437364..373606c 100644
--- a/.github/workflows/python-package.yml
+++ b/.github/workflows/python-package.yml
@@ -17,7 +17,7 @@ jobs:
       fail-fast: false
       matrix:
         python-version: ["3.7", "3.8", "3.9", "3.10", "3.11"]
-        pymodbus-version: ["2.5.3", "3.0.2", "3.1.3", "3.2.2", "3.3.0"]
+        pymodbus-version: ["2.5.3", "3.0.2", "3.1.3", "3.2.2", "3.3.1"]
         exclude:
         - python-version: "3.10"
           pymodbus-version: "2.5.3"
@@ -30,7 +30,7 @@ jobs:
         - python-version: "3.7"
           pymodbus-version: "3.2.2"
         - python-version: "3.7"
-          pymodbus-version: "3.3.0"
+          pymodbus-version: "3.3.1"
 
     steps:
     - uses: actions/checkout@v3