diff --git a/package.yaml b/package.yaml
index aa667c604f..9e0d6502a1 100644
--- a/package.yaml
+++ b/package.yaml
@@ -75,7 +75,7 @@ dependencies:
 - file-embed
 - filelock
 - filepath
-- fsnotify
+- fsnotify < 0.4
 - generic-deriving
 - hackage-security
 - hashable
diff --git a/stack.cabal b/stack.cabal
index b959489402..2f42d90ce4 100644
--- a/stack.cabal
+++ b/stack.cabal
@@ -252,7 +252,7 @@ library
     , file-embed
     , filelock
     , filepath
-    , fsnotify
+    , fsnotify <0.4
     , generic-deriving
     , hackage-security
     , hashable
@@ -376,7 +376,7 @@ executable stack
     , file-embed
     , filelock
     , filepath
-    , fsnotify
+    , fsnotify <0.4
     , generic-deriving
     , hackage-security
     , hashable
@@ -499,7 +499,7 @@ executable stack-integration-test
     , file-embed
     , filelock
     , filepath
-    , fsnotify
+    , fsnotify <0.4
     , generic-deriving
     , hackage-security
     , hashable
@@ -630,7 +630,7 @@ test-suite stack-test
     , file-embed
     , filelock
     , filepath
-    , fsnotify
+    , fsnotify <0.4
     , generic-deriving
     , hackage-security
     , hashable