diff --git a/libraries/containers b/libraries/containers
index c07e4848e1b4458265e30cfb6265f9b6bd2bf053..a57e7dd0c0aa6a719a73085ae30edef8206ccea0 160000
--- a/libraries/containers
+++ b/libraries/containers
@@ -1 +1 @@
-Subproject commit c07e4848e1b4458265e30cfb6265f9b6bd2bf053
+Subproject commit a57e7dd0c0aa6a719a73085ae30edef8206ccea0
diff --git a/testsuite/tests/backpack/should_run/bkprun05.stderr b/testsuite/tests/backpack/should_run/bkprun05.stderr
index 854de8b6c50907df646203c3254a639afae01248..2c24fdaa4b39fa94670de414a9bf5317ecd97868 100644
--- a/testsuite/tests/backpack/should_run/bkprun05.stderr
+++ b/testsuite/tests/backpack/should_run/bkprun05.stderr
@@ -1,4 +1,4 @@
 bkprun05: Prelude.undefined
 CallStack (from HasCallStack):
   error, called at libraries/base/GHC/Err.hs:79:14 in base:GHC.Err
-  undefined, called at bkprun05.bkp:138:30 in app+app-89WS9ScvjQd9lPG2oW0wWM:App
+  undefined, called at bkprun05.bkp:138:30 in app+app-0UPCJKIsbig160BXB4AqAb:App
diff --git a/testsuite/tests/driver/T10970.stdout b/testsuite/tests/driver/T10970.stdout
index 96362170dd351421ba2279a29d3923e44c1c8d78..3a25dc5f15bb4396bac177fcfd332b94a7c6b2c4 100644
--- a/testsuite/tests/driver/T10970.stdout
+++ b/testsuite/tests/driver/T10970.stdout
@@ -1,2 +1,2 @@
-0.5.10.2
+0.5.11.0
 OK
diff --git a/testsuite/tests/package/package01e.stderr b/testsuite/tests/package/package01e.stderr
index cfde9a7b280b6271f6ab681508d893eb0f837400..7dd9f699d90da5efbedbf183369a3e977c4b6166 100644
--- a/testsuite/tests/package/package01e.stderr
+++ b/testsuite/tests/package/package01e.stderr
@@ -1,10 +1,10 @@
 
 package01e.hs:2:1: error:
     Could not find module ‘Data.Map’
-    It is a member of the hidden package ‘containers-0.5.10.2’.
+    It is a member of the hidden package ‘containers-0.5.11.0’.
     Use -v to see a list of the files searched for.
 
 package01e.hs:3:1: error:
     Could not find module ‘Data.IntMap’
-    It is a member of the hidden package ‘containers-0.5.10.2’.
+    It is a member of the hidden package ‘containers-0.5.11.0’.
     Use -v to see a list of the files searched for.