diff --git a/pom.xml b/pom.xml
index 0353ad06d..c6a6df499 100644
--- a/pom.xml
+++ b/pom.xml
@@ -85,7 +85,7 @@
         <commons-math-version>2.2</commons-math-version>
         <jackson-mapper-asl-version>1.9.13</jackson-mapper-asl-version>
         <jackson-version>2.18.1</jackson-version>
-        <assertj-version>3.23.1</assertj-version>
+        <assertj-version>3.27.7</assertj-version>
         <!-- Upgrading to Jersey 2.x is difficult and of unclear benefits, see
              https://stackoverflow.com/questions/17098341#22033825 -->
         <jersey-version>1.19.4</jersey-version>