diff --git a/CHANGELOG.md b/CHANGELOG.md
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -5,6 +5,12 @@
 The format is based on [Keep a Changelog](https://keepachangelog.com/en/1.1.0/),
 and this project adheres to the [Haskell Package Versioning Policy](https://pvp.haskell.org/).
 
+## [1.0.1] - 2026-10-01
+
+### Changed
+
+- Eliminated process-wide lock contention during handler unlifting.
+
 ## [1.0.0] - 2026-07-28
 
 ### Added
diff --git a/servant-effectful.cabal b/servant-effectful.cabal
--- a/servant-effectful.cabal
+++ b/servant-effectful.cabal
@@ -1,6 +1,6 @@
 cabal-version: 3.0
 name: servant-effectful
-version: 1.0.0
+version: 1.0.1
 synopsis: Effectful bindings for the Servant library
 description:
   Adaptation of the @<https://hackage.haskell.org/package/servant Servant>@ library for the @<https://hackage.haskell.org/package/effectful effectful>@ ecosystem.
@@ -54,7 +54,7 @@
   build-depends:
     base >=4.10 && <5,
     bytestring >=0.12 && <0.13,
-    effectful >=2.6 && <2.7,
+    effectful >=2.6 && <2.8,
     wai-effectful >=1.0 && <1.1,
 
 library
@@ -68,7 +68,7 @@
     Effectful.Servant.Server.StaticFiles
 
   build-depends:
-    effectful-core >=2 && <3,
+    effectful-core >=2.6 && <2.8,
     servant >=0.20 && <0.21,
     servant-server >=0.20 && <0.21,
     transformers >=0.4 && <0.7,
@@ -83,4 +83,4 @@
     http-client-effectful >=1.0 && <1.1,
     http-types >=0.12 && <0.13,
     servant-effectful,
-    warp-effectful >=1.0 && <1.1,
+    warp-effectful >=1.0 && <1.2,
diff --git a/src/Effectful/Servant/Server.hs b/src/Effectful/Servant/Server.hs
--- a/src/Effectful/Servant/Server.hs
+++ b/src/Effectful/Servant/Server.hs
@@ -74,6 +74,7 @@
 import Data.Kind (Type)
 import Data.Proxy (Proxy)
 import Effectful
+import Effectful.Dispatch.Static (unEff, unsafeEff)
 import Effectful.Error.Static (Error, runErrorNoCallStack)
 import Effectful.Wai (Application, liftApplication)
 import Servant.Server hiding
@@ -128,19 +129,11 @@
     -> ServerT api m
     -> Application es
 serveWithContextT p context toHandler server req respond =
-    withEffToIO SeqUnlift \unlift ->
-        unlift $
-            liftApplication
-                ( Servant.serveWithContextT
-                    p
-                    context
-                    ( Servant.Handler
-                        . ExceptT
-                        . unlift
-                        . runErrorNoCallStack
-                        . toHandler
-                    )
-                    server
-                )
-                req
-                respond
+    unsafeEff \es -> unEff (liftApplication (waiApp es) req respond) es
+  where
+    waiApp es =
+        Servant.serveWithContextT
+            p
+            context
+            (Servant.Handler . ExceptT . (`unEff` es) . runErrorNoCallStack . toHandler)
+            server