diff --git a/.github/workflows/ci_dcorelib.yml b/.github/workflows/ci_dcorelib.yml
index e3f5a75a..98fe8abe 100644
--- a/.github/workflows/ci_dcorelib.yml
+++ b/.github/workflows/ci_dcorelib.yml
@@ -10,16 +10,16 @@ jobs:
       matrix:
         include:
           - os: ubuntu-latest
-            numpy: "1.24"
-            scipy: "1.6"
+            numpy: "1.24.4"
+            scipy: "1.6.3"
             python: "3.8"
           - os: ubuntu-latest
-            numpy: "1.26"
-            scipy: "1.11"
+            numpy: "1.26.4"
+            scipy: "1.11.4"
             python: "3.11"
           - os: ubuntu-latest
-            numpy: "1.26"
-            scipy: "1.14"
+            numpy: "1.26.4"
+            scipy: "1.11.4"
             python: "3.12"
           #- os: ubuntu-latest
             #numpy: auto