diff --git a/.github/dependabot.yml b/.github/dependabot.yml
index c137a994ff..13c7fea22c 100644
--- a/.github/dependabot.yml
+++ b/.github/dependabot.yml
@@ -19,7 +19,10 @@ updates:
       prefix: "build(deps)"
     ignore:
       - dependency-name: "org.jlab:groot" # since version numbers are not in order
-      - dependency-name: "org.ejml:ejml-simple" # keep version the same as `j4ml:j4ml-clas12:jar:0.9-SNAPSHOT`; see pull requests #636 and #632
+      - dependency-name: "net.objecthunter:exp4j" # pinned for dependency convergence
+      - dependency-name: "org.ejml:ejml-simple" # pinned for dependency convergence
+      - dependency-name: "org.apache.commons:commons-lang3" # pinned for dependency convergence
+      - dependency-name: "org.slf4j:slf4j-api" # pinned for dependency convergence
       - dependency-name: "org.openjfx:javafx-base"
         versions: [">= 24"] # version 24 requires JAVA_VERSION 22+
       - dependency-name: "org.openjfx:javafx-graphics"