diff --git a/CHANGELOG.md b/CHANGELOG.md
index 8bfcc479..08c1d7b5 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -33,6 +33,9 @@ Ref: https://keepachangelog.com/en/1.0.0/
 
 ## Unreleased
 
+### Improvements
+* Updated Prov Protos to 1.18.0-rc2 [#510](https://github.com/provenance-io/explorer-service/issues/510)
+
 ## [v5.7.0](https://github.com/provenance-io/explorer-service/releases/tag/v5.7.0) - 2023-11-14
 ### Release Name: Peter Fidler
 
diff --git a/buildSrc/src/main/kotlin/Dependencies.kt b/buildSrc/src/main/kotlin/Dependencies.kt
index 94ea7297..3628b04e 100644
--- a/buildSrc/src/main/kotlin/Dependencies.kt
+++ b/buildSrc/src/main/kotlin/Dependencies.kt
@@ -51,7 +51,7 @@ object Versions {
     const val SpringBoot = PluginVersions.SpringBoot
     const val Swagger = "3.0.0"
     const val Grpc = "1.50.2"
-    const val ProvProto = "1.17.0"
+    const val ProvProto = "1.18.0-rc2"
     const val Postgres = "42.2.23"
     const val Protobuf = "3.21.9"