diff --git a/buildSrc/build.gradle b/buildSrc/build.gradle
index bdce35118..5dc144f01 100644
--- a/buildSrc/build.gradle
+++ b/buildSrc/build.gradle
@@ -63,7 +63,7 @@ dependencies {
 
     implementation 'io.github.gradle-nexus:publish-plugin:1.1.0'
     implementation 'io.spring.gradle:dependency-management-plugin:1.0.10.RELEASE'
-    implementation 'io.projectreactor:reactor-core:3.4.11'
+    implementation 'io.projectreactor:reactor-core:3.4.33'
     implementation 'com.apollographql.apollo:apollo-runtime:2.4.5'
     implementation 'com.github.ben-manes:gradle-versions-plugin:0.38.0'
     implementation 'com.github.spullara.mustache.java:compiler:0.9.11'
diff --git a/gradle/libs.versions.toml b/gradle/libs.versions.toml
index d98fbb1b1..e3f895dbc 100644
--- a/gradle/libs.versions.toml
+++ b/gradle/libs.versions.toml
@@ -1,6 +1,6 @@
 [versions]
 ch-qos-logback = "1.4.11"
-io-projectreactor = "3.5.11"
+io-projectreactor = "3.4.33"
 jakarta-websocket = "2.1.0"
 org-apache-derby = "10.16.1.1"
 org-codehaus-groovy = "3.0.17"