diff --git a/ChangeLog.md b/ChangeLog.md
--- a/ChangeLog.md
+++ b/ChangeLog.md
@@ -1,5 +1,9 @@
 # Changelog for polysemy-composite
 
+## v0.1.2.0
+
+* Inline fix.
+
 ## v0.1.1.0
 
 * Add `runInputCase'`.
diff --git a/polysemy-methodology-composite.cabal b/polysemy-methodology-composite.cabal
--- a/polysemy-methodology-composite.cabal
+++ b/polysemy-methodology-composite.cabal
@@ -5,7 +5,7 @@
 -- see: https://github.com/sol/hpack
 
 name:           polysemy-methodology-composite
-version:        0.1.1.0
+version:        0.1.2.0
 synopsis:       Functions for using polysemy-methodology with composite.
 category:       Polysemy Vinyl Composite
 author:         Daniel Firth
diff --git a/src/Polysemy/Methodology/Composite.hs b/src/Polysemy/Methodology/Composite.hs
--- a/src/Polysemy/Methodology/Composite.hs
+++ b/src/Polysemy/Methodology/Composite.hs
@@ -103,3 +103,4 @@
               -> Sem (Input (Case' f t b) ': r) a
               -> Sem r a
 runInputCase' f = runInputConst (Case' f)
+{-# INLINE runInputCase' #-}