diff --git a/versions.lock b/versions.lock
index a7ee894d..dd5d465e 100644
--- a/versions.lock
+++ b/versions.lock
@@ -68,7 +68,7 @@ net.bytebuddy:byte-buddy-agent:1.17.7 (1 constraints: 4a0b4ede)
 
 org.apiguardian:apiguardian-api:1.1.2 (7 constraints: cc761de9)
 
-org.assertj:assertj-core:3.27.5 (1 constraints: 4305533b)
+org.assertj:assertj-core:3.27.6 (1 constraints: 4405543b)
 
 org.codehaus.groovy:groovy:3.0.25 (3 constraints: 14347add)
 
diff --git a/versions.props b/versions.props
index 0a64e1c4..0b40378c 100644
--- a/versions.props
+++ b/versions.props
@@ -2,7 +2,7 @@ com.fasterxml.jackson.*:* = 2.19.2
 com.palantir.witchcraft.api:* = 2.0.0
 com.google.guava:guava = 33.5.0-jre
 org.immutables:* = 2.11.3
-org.assertj:assertj-core = 3.27.5
+org.assertj:assertj-core = 3.27.6
 org.junit.jupiter:* = 5.13.4
 org.junit.platform:* = 1.13.4
 org.junit.vintage:* = 5.13.4