diff --git a/Changelog b/Changelog
--- a/Changelog
+++ b/Changelog
@@ -1,3 +1,7 @@
+lambdabot 5.1.0.4
+	* support ghc-8.6 (#174, #175)
+	* @pl timeout works again (#173)
+
 lambdabot 5.1.0.2
 	* support ghc-8.4
 	* #155, #163, #164, #168, #169, #170
diff --git a/lambdabot.cabal b/lambdabot.cabal
--- a/lambdabot.cabal
+++ b/lambdabot.cabal
@@ -1,5 +1,5 @@
 name:                   lambdabot
-version:                5.1.0.2
+version:                5.1.0.4
 
 license:                GPL
 license-file:           LICENSE
@@ -20,7 +20,7 @@
 
 build-type:             Simple
 cabal-version:          >= 1.8
-tested-with:            GHC == 7.8.4, GHC == 7.10.3
+tested-with:            GHC == 7.10.3, GHC == 8.0.2, GHC == 8.2.2, GHC == 8.4.4, GHC == 8.6.1
 
 extra-source-files:     scripts/ghci.sh
                         scripts/genhaddock.sh