diff --git a/ChangeLog.md b/ChangeLog.md
index 8196f27..856b596 100644
--- a/ChangeLog.md
+++ b/ChangeLog.md
@@ -1,5 +1,11 @@
 # Changelog for dear-imgui
 
+## [2.1.3]
+
+- Fixed off-by-1 in internal Text wrapper.
+- Fixed sliderFloat* Raw calls
+- Added `formatPtr` to Raw.dragFloat* and Raw.sliderFloat*
+
 ## [2.1.2]
 
 - Fixed glfw example build flags.
@@ -100,6 +106,7 @@ Initial Hackage release based on [1.83].
 [2.1.0]: https://github.com/haskell-game/dear-imgui.hs/tree/v2.1.0
 [2.1.1]: https://github.com/haskell-game/dear-imgui.hs/tree/v2.1.1
 [2.1.2]: https://github.com/haskell-game/dear-imgui.hs/tree/v2.1.2
+[2.1.3]: https://github.com/haskell-game/dear-imgui.hs/tree/v2.1.3
 
 [1.87]: https://github.com/ocornut/imgui/releases/tag/v1.87
 [1.86]: https://github.com/ocornut/imgui/releases/tag/v1.86
diff --git a/dear-imgui.cabal b/dear-imgui.cabal
index f99a8c9..317577e 100644
--- a/dear-imgui.cabal
+++ b/dear-imgui.cabal
@@ -1,7 +1,7 @@
 cabal-version: 3.0
 
 name: dear-imgui
-version: 2.1.2
+version: 2.1.3
 author: Oliver Charles
 maintainer: ollie@ocharles.org.uk, aenor.realm@gmail.com
 license: BSD-3-Clause
diff --git a/src/DearImGui/Internal/Text.hs b/src/DearImGui/Internal/Text.hs
index 543cedb..4f69571 100644
--- a/src/DearImGui/Internal/Text.hs
+++ b/src/DearImGui/Internal/Text.hs
@@ -13,7 +13,6 @@ module DearImGui.Internal.Text
   ) where
 
 -- base
-import Control.Monad.IO.Class (liftIO)
 import Foreign (nullPtr, plusPtr)
 import Foreign.C.String (CString)
 import qualified GHC.Foreign as Foreign
@@ -34,7 +33,8 @@ import qualified Data.Text.Foreign as Text
 withCString :: MonadUnliftIO m => Text -> (CString -> m a) -> m a
 withCString text action =
   withUnliftIO $ \(UnliftIO unlift) ->
-    Text.withCString text (unlift action)
+    Text.withCString text $ \buf ->
+      unlift $ action buf
 
 #elif MIN_VERSION_text(2,0,0)
 -- XXX: the text is UTF-8, alas no withCString is available
@@ -57,9 +57,8 @@ withCString t@(Text _arr _off len) action =
 withCString :: MonadUnliftIO m => Text -> (CString -> m a) -> m a
 withCString t action = do
   withUnliftIO $ \(UnliftIO unlift) ->
-    liftIO $
-      Foreign.withCString utf8 (unpack t) $ \textPtr ->
-        unlift $ action textPtr
+    Foreign.withCString utf8 (unpack t) $ \textPtr ->
+      unlift $ action textPtr
 
 #endif