diff --git a/lib/Data/SensitiveBytes/Internal.hs b/lib/Data/SensitiveBytes/Internal.hs
--- a/lib/Data/SensitiveBytes/Internal.hs
+++ b/lib/Data/SensitiveBytes/Internal.hs
@@ -113,12 +113,14 @@
   :: forall s m. (MonadIO m, WithSecureMemory)
   => Int  -- ^ Size of the array (in bytes).
   -> m (SensitiveBytes s)
-allocate size = requiringSecureMemory . liftIO $ do
-  res <- sodium_malloc (fromIntegral size)
-  if res == nullPtr then
-    throwIO SodiumMallocFailed
-  else
-    pure $ SensitiveBytes size size res
+allocate size = requiringSecureMemory (liftIO act)
+  where
+    act = do
+      res <- sodium_malloc (fromIntegral size)
+      if res == nullPtr then
+        throwIO SodiumMallocFailed
+      else
+        pure $ SensitiveBytes size size res
 
 -- | Free bytes previously allocated in a protected memory region.
 free
diff --git a/secure-memory.cabal b/secure-memory.cabal
--- a/secure-memory.cabal
+++ b/secure-memory.cabal
@@ -5,7 +5,7 @@
 -- see: https://github.com/sol/hpack
 
 name:           secure-memory
-version:        0.0.0.1
+version:        0.0.0.2
 synopsis:       Securely allocated and deallocated memory.
 description:    Securely allocated and deallocated memory.
                 .
@@ -69,10 +69,10 @@
   c-sources:
       ./cbits/readline_max.c
   build-depends:
-      base >=4.10 && <4.15
+      base >=4.10 && <4.16
     , bytestring >=0.9 && <0.11
     , libsodium >=1.0.18.2
-    , memory >=0.14.15 && <0.16
+    , memory >=0.14.15 && <0.17
     , reflection >=1.2.0.1 && <2.2
     , safe-exceptions ==0.1.*
     , text >=0.7 && <1.3
@@ -103,10 +103,10 @@
       TypeApplications
   ghc-options: -Wall -Wcompat -Wincomplete-record-updates -Wincomplete-uni-patterns -Wredundant-constraints
   build-depends:
-      base >=4.10 && <4.15
+      base >=4.10 && <4.16
     , bytestring >=0.9 && <0.11
     , libsodium >=1.0.11 && <2
-    , memory >=0.14.15 && <0.16
+    , memory >=0.14.15 && <0.17
     , safe-exceptions ==0.1.*
     , secure-memory
   default-language: Haskell2010
@@ -139,11 +139,11 @@
   build-depends:
       HUnit
     , async
-    , base >=4.10 && <4.15
+    , base >=4.10 && <4.16
     , bytestring >=0.9 && <0.11
     , hedgehog
     , libsodium >=1.0.11 && <2
-    , memory >=0.14.15 && <0.16
+    , memory >=0.14.15 && <0.17
     , safe-exceptions ==0.1.*
     , secure-memory
     , tasty
@@ -181,10 +181,10 @@
       tasty-discover:tasty-discover
   build-depends:
       HUnit
-    , base >=4.10 && <4.15
+    , base >=4.10 && <4.16
     , bytestring >=0.9 && <0.11
     , libsodium >=1.0.11 && <2
-    , memory >=0.14.15 && <0.16
+    , memory >=0.14.15 && <0.17
     , safe-exceptions ==0.1.*
     , secure-memory
     , tasty