diff --git a/gradle/libs.versions.toml b/gradle/libs.versions.toml
index b50af89..679006f 100644
--- a/gradle/libs.versions.toml
+++ b/gradle/libs.versions.toml
@@ -1,5 +1,6 @@
 [versions]
-reactorCore = "3.5.21-SNAPSHOT"
+# Reactor Core 3.5.20 is the last OSS release for 3.5.x series
+reactorCore = "3.5.20"
 reactorAddons = "3.5.3-SNAPSHOT"
 # Other shared versions
 kotlin = "1.7.0"