diff --git a/client-groovy4/build.gradle.kts b/client-groovy4/build.gradle.kts
index be87390d..ab84a6bf 100644
--- a/client-groovy4/build.gradle.kts
+++ b/client-groovy4/build.gradle.kts
@@ -109,7 +109,7 @@ dependencies {
   api("com.squareup.moshi:moshi:1.15.1")
   implementation("com.google.re2j:re2j:1.7")
 
-  implementation("org.slf4j:slf4j-api:2.0.12")
+  implementation("org.slf4j:slf4j-api:2.0.13")
   testImplementation("ch.qos.logback:logback-classic:[1.2,2)!!1.3.14")
 
   implementation("com.squareup.okio:okio:3.9.0")
diff --git a/client/build.gradle.kts b/client/build.gradle.kts
index 0c0f803b..4755d295 100644
--- a/client/build.gradle.kts
+++ b/client/build.gradle.kts
@@ -109,7 +109,7 @@ dependencies {
   api("com.squareup.moshi:moshi:1.15.1")
   implementation("com.google.re2j:re2j:1.7")
 
-  implementation("org.slf4j:slf4j-api:2.0.12")
+  implementation("org.slf4j:slf4j-api:2.0.13")
   testImplementation("ch.qos.logback:logback-classic:[1.2,2)!!1.3.14")
 
   implementation("com.squareup.okio:okio:3.9.0")
diff --git a/explore/build.gradle.kts b/explore/build.gradle.kts
index d8bad164..99e93a40 100644
--- a/explore/build.gradle.kts
+++ b/explore/build.gradle.kts
@@ -66,7 +66,7 @@ dependencies {
   implementation("org.apache.groovy:groovy:4.0.20")
   testImplementation("org.apache.commons:commons-compress:1.26.2")
 
-  implementation("org.slf4j:slf4j-api:2.0.12")
+  implementation("org.slf4j:slf4j-api:2.0.13")
   runtimeOnly("ch.qos.logback:logback-classic:[1.2,2)!!1.3.14")
 
 //  testImplementation("org.spockframework:spock-core:2.3-groovy-3.0")