diff --git a/hevm.cabal b/hevm.cabal
index cf36961e..3b31f595 100644
--- a/hevm.cabal
+++ b/hevm.cabal
@@ -71,6 +71,10 @@ library
     -Wall -Wno-deprecations
   extra-libraries:
     secp256k1, ff
+  if os(darwin)
+     extra-libraries: c++
+  else
+     extra-libraries: stdc++
   c-sources:
     ethjet/tinykeccak.c, ethjet/ethjet.c
   cxx-sources:
@@ -88,7 +92,7 @@ library
     transformers                      >= 0.5.6 && < 0.6,
     tree-view                         >= 0.5 && < 0.6,
     abstract-par                      >= 0.3.3 && < 0.4,
-    aeson                             >= 1.5.6 && < 1.6,
+    aeson                             >= 2.0 && < 2.1,
     bytestring                        >= 0.10.8 && < 0.11,
     scientific                        >= 0.3.6 && < 0.4,
     binary                            >= 0.8.6 && < 0.9,
@@ -97,7 +101,7 @@ library
     vector                            >= 0.12.1 && < 0.13,
     ansi-wl-pprint                    >= 0.6.9 && < 0.7,
     base16-bytestring                 >= 1.0.0 && < 2.0,
-    brick                             >= 0.58 && < 0.63,
+    brick                             >= 0.58 && < 0.69,
     megaparsec                        >= 9.0.0 && < 10.0,
     mtl                               >= 2.2.2 && < 2.3,
     directory                         >= 1.3.3 && < 1.4,
@@ -105,13 +109,13 @@ library
     vty                               >= 5.25.1 && < 5.34,
     cereal                            >= 0.5.8 && < 0.6,
     cryptonite                        >= 0.27 && <= 0.29,
-    memory                            >= 0.14.18 && < 0.16,
+    memory                            >= 0.14.18 && < 0.20,
     data-dword                        >= 0.3.1 && < 0.4,
     fgl                               >= 5.7.0 && < 5.8,
     free                              >= 5.1.3 && < 5.2,
     haskeline                         >= 0.8.0 && < 0.9,
     process                           >= 1.6.5 && < 1.7,
-    lens                              >= 4.17.1 && < 4.20,
+    lens                              >= 4.17.1 && < 5.1,
     lens-aeson                        >= 1.0.2 && < 1.2,
     monad-par                         >= 0.3.5 && < 0.4,
     multiset                          >= 0.3.4 && < 0.4,
@@ -124,7 +128,6 @@ library
     sbv                               >= 8.9,
     semver-range                      >= 0.2.7 && < 0.3,
     temporary                         >= 1.3 && < 1.4,
-    text-format                       >= 0.3.2 && < 0.4,
     witherable                        >= 0.3.5 && < 0.5,
     wreq                              >= 0.5.3 && < 0.6,
     regex-tdfa                        >= 1.2.3 && < 1.4,
@@ -190,7 +193,6 @@ executable hevm
     sbv,
     temporary,
     text,
-    text-format,
     unordered-containers,
     vector,
     vty
diff --git a/src/EVM/Solidity.hs b/src/EVM/Solidity.hs
index b7d0f36b..4e9d6892 100644
--- a/src/EVM/Solidity.hs
+++ b/src/EVM/Solidity.hs
@@ -70,6 +70,7 @@ import Control.Monad
 import Control.Lens         hiding (Indexed, (.=))
 import qualified Data.String.Here as Here
 import Data.Aeson hiding (json)
+import qualified Data.Aeson.KeyMap as KeyMap
 import Data.Aeson.Types
 import Data.Aeson.Lens
 import Data.Scientific
@@ -714,8 +715,8 @@ astIdMap = foldMap f
     f :: Value -> Map Int Value
     f (Array x) = foldMap f x
     f v@(Object x) =
-      let t = foldMap f (HMap.elems x)
-      in case HMap.lookup "id" x of
+      let t = foldMap f (KeyMap.elems x)
+      in case KeyMap.lookup "id" x of
         Nothing         -> t
         Just (Number i) -> t <> Map.singleton (round i) v
         Just _          -> t
diff --git a/src/EVM/SymExec.hs b/src/EVM/SymExec.hs
index 5bbf1c03..b828098e 100644
--- a/src/EVM/SymExec.hs
+++ b/src/EVM/SymExec.hs
@@ -40,8 +40,8 @@ type EquivalenceResult = ProofResult ([VM], [VM]) VM ()

 -- | Convenience functions for generating large symbolic byte strings
 sbytes32, sbytes128, sbytes256, sbytes512, sbytes1024 :: Query ([SWord 8])
-sbytes32 = toBytes <$> freshVar_ @ (WordN 256)
-sbytes128 = toBytes <$> freshVar_ @ (WordN 1024)
+sbytes32 = toBytes <$> freshVar_ @(WordN 256)
+sbytes128 = toBytes <$> freshVar_ @(WordN 1024)
 sbytes256 = liftA2 (++) sbytes128 sbytes128
 sbytes512 = liftA2 (++) sbytes256 sbytes256
 sbytes1024 = liftA2 (++) sbytes512 sbytes512
diff --git a/src/EVM/Types.hs b/src/EVM/Types.hs
index fdd2368d..1dc29e83 100644
--- a/src/EVM/Types.hs
+++ b/src/EVM/Types.hs
@@ -434,17 +434,17 @@ readN s = fromIntegral (read s :: Integer)
 readNull :: Read a => a -> String -> a
 readNull x = fromMaybe x . Text.Read.readMaybe

-wordField :: JSON.Object -> Text -> JSON.Parser W256
+wordField :: JSON.Object -> Key -> JSON.Parser W256
 wordField x f = ((readNull 0) . Text.unpack)
                   <$> (x .: f)

-addrField :: JSON.Object -> Text -> JSON.Parser Addr
+addrField :: JSON.Object -> Key -> JSON.Parser Addr
 addrField x f = (read . Text.unpack) <$> (x .: f)

-addrFieldMaybe :: JSON.Object -> Text -> JSON.Parser (Maybe Addr)
+addrFieldMaybe :: JSON.Object -> Key -> JSON.Parser (Maybe Addr)
 addrFieldMaybe x f = (Text.Read.readMaybe . Text.unpack) <$> (x .: f)

-dataField :: JSON.Object -> Text -> JSON.Parser ByteString
+dataField :: JSON.Object -> Key -> JSON.Parser ByteString
 dataField x f = hexText <$> (x .: f)

 toWord512 :: W256 -> Word512