diff --git a/CHANGELOG.md b/CHANGELOG.md
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,5 +1,9 @@
 # Revision history for ghc-debug-client
 
+## 0.2.1.0 -- 2022-05-06
+
+* Fix findRetainersOfConstructorExact
+
 ## 0.2.0.0 -- 2021-12-06
 
 * Second version.
diff --git a/ghc-debug-client.cabal b/ghc-debug-client.cabal
--- a/ghc-debug-client.cabal
+++ b/ghc-debug-client.cabal
@@ -1,6 +1,6 @@
 cabal-version:       3.0
 name:                ghc-debug-client
-version:             0.2.0.0
+version:             0.2.1.0
 synopsis:            Useful functions for writing heap analysis tools which use
                      ghc-debug.
 description:         Useful functions for writing heap analysis tools which use
@@ -41,14 +41,14 @@
                        network >= 2.6 ,
                        containers ^>= 0.6,
                        unordered-containers ^>= 0.2.13,
-                       ghc-debug-common ^>= 0.2,
-                       ghc-debug-convention ^>= 0.2,
+                       ghc-debug-common == 0.2.1.0,
+                       ghc-debug-convention == 0.2.0.0,
                        text ^>= 1.2.4,
                        process ^>= 1.6,
                        filepath ^>= 1.4,
                        directory ^>= 1.3,
                        bitwise ^>= 1.0,
-                       hashable ^>= 1.3,
+                       hashable >= 1.3 && < 1.5,
                        mtl ^>= 2.2,
                        eventlog2html >= 0.8.3,
                        binary ^>= 0.8,
diff --git a/src/GHC/Debug/Retainers.hs b/src/GHC/Debug/Retainers.hs
--- a/src/GHC/Debug/Retainers.hs
+++ b/src/GHC/Debug/Retainers.hs
@@ -41,7 +41,9 @@
       loc <- getSourceInfo (tableId (info (noSize sc)))
       case loc of
         Nothing -> return False
-        Just loc -> return $ infoLabel loc == clos_name
+        Just loc ->
+
+          return $ (infoName loc) == clos_name
 
 -- | From the given roots, find any path to one of the given pointers.
 -- Note: This function can be quite slow! The first argument is a limit to