diff --git a/CHANGELOG.md b/CHANGELOG.md
index 0397ebdb5..46e9cb374 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,5 +1,15 @@
 # Changelog
 
+## v0.27.4
+
+*December 21st, 2018*
+
+### BUG FIXES:
+
+- [mempool] [\#3036](https://github.com/tendermint/tendermint/issues/3036) Fix
+  LRU cache by popping the least recently used item when the cache is full,
+  not the most recently used one!
+
 ## v0.27.3
 
 *December 16th, 2018*
diff --git a/version/version.go b/version/version.go
index ace1b41d2..3cbdab02f 100644
--- a/version/version.go
+++ b/version/version.go
@@ -18,7 +18,7 @@ const (
 	// TMCoreSemVer is the current version of Tendermint Core.
 	// It's the Semantic Version of the software.
 	// Must be a string because scripts like dist.sh read this file.
-	TMCoreSemVer = "0.27.3"
+	TMCoreSemVer = "0.27.4"
 
 	// ABCISemVer is the semantic version of the ABCI library
 	ABCISemVer  = "0.15.0"