diff --git a/.github/dependabot.yml b/.github/dependabot.yaml
similarity index 77%
rename from .github/dependabot.yml
rename to .github/dependabot.yaml
index 0b02ad73a..9477f59db 100644
--- a/.github/dependabot.yml
+++ b/.github/dependabot.yaml
@@ -3,7 +3,9 @@ updates:
   - package-ecosystem: "github-actions"
     directory: "/"
     schedule:
-      interval: "monthly"
+      interval: "semiannually"
+    cooldown:
+      default-days: 20
     groups:
       github-actions:
         patterns:
@@ -13,6 +15,6 @@ updates:
   - package-ecosystem: "pip"
     directory: "/requirements/"
     schedule:
-      interval: "monthly"
+      interval: "semiannually"
     ignore:
       - dependency-name: "*"