diff --git a/cryptol-saw-core/src/Verifier/SAW/Cryptol.hs b/cryptol-saw-core/src/Verifier/SAW/Cryptol.hs
index 73d58e3a7d..df6d0441ee 100644
--- a/cryptol-saw-core/src/Verifier/SAW/Cryptol.hs
+++ b/cryptol-saw-core/src/Verifier/SAW/Cryptol.hs
@@ -1050,6 +1050,9 @@ importExpr sc env expr =
     C.ELocated _ e ->
       importExpr sc env e
 
+    C.EPropGuards {} ->
+      error "Using contsraint guards is not yet supported by SAW."
+
   where
     the :: Maybe a -> IO a
     the = maybe (panic "importExpr" ["internal type error"]) return
@@ -1063,6 +1066,9 @@ importExpr sc env expr =
 importExpr' :: SharedContext -> Env -> C.Schema -> C.Expr -> IO Term
 importExpr' sc env schema expr =
   case expr of
+    C.EPropGuards {} ->
+      error "Using contsraint guards is not yet supported by SAW."
+
     C.ETuple es ->
       do ty <- the (C.isMono schema)
          ts <- the (C.tIsTuple ty)
@@ -1284,6 +1290,10 @@ importDeclGroup declOpts sc env (C.Recursive [decl]) =
   case C.dDefinition decl of
     C.DPrim ->
       panic "importDeclGroup" ["Primitive declarations cannot be recursive:", show (C.dName decl)]
+
+    C.DForeign {} ->
+      error "`foreign` imports may not be used in SAW specifications"
+
     C.DExpr expr ->
       do env1 <- bindName sc (C.dName decl) (C.dSignature decl) env
          t' <- importSchema sc env (C.dSignature decl)
@@ -1329,6 +1339,8 @@ importDeclGroup declOpts sc env (C.Recursive decls) =
      let extractDeclExpr decl =
            case C.dDefinition decl of
              C.DExpr expr -> importExpr' sc env2 (C.dSignature decl) expr
+             C.DForeign {} ->
+               error "`foreign` imports may not be used in SAW specifications"
              C.DPrim ->
                 panic "importDeclGroup"
                         [ "Primitive declarations cannot be recursive:"
@@ -1366,6 +1378,9 @@ importDeclGroup declOpts sc env (C.Recursive decls) =
 
 importDeclGroup declOpts sc env (C.NonRecursive decl) =
   case C.dDefinition decl of
+    C.DForeign {} ->
+      error "`foreign` imports may not be used in SAW specifications"
+
     C.DPrim
      | TopLevelDeclGroup primOpts <- declOpts -> do
         rhs <- importPrimitive sc primOpts env (C.dName decl) (C.dSignature decl)
@@ -1480,7 +1495,7 @@ tNoUser initialTy =
   case C.tNoUser initialTy of
     C.TNewtype nt _ -> C.TRec $ C.ntFields nt
     t -> t
-  
+
 
 -- | Deconstruct a cryptol tuple type as a pair according to the
 -- saw-core tuple type encoding.
@@ -1596,6 +1611,10 @@ importMatches sc env [C.Let decl]
 
 importMatches sc env (C.Let decl : matches) =
   case C.dDefinition decl of
+
+    C.DForeign {} ->
+      error "`foreign` imports may not be used in SAW specifications"
+
     C.DPrim -> do
      panic "importMatches" ["Primitive declarations not allowed in 'let':", show (C.dName decl)]
     C.DExpr expr -> do
diff --git a/cryptol-saw-core/src/Verifier/SAW/CryptolEnv.hs b/cryptol-saw-core/src/Verifier/SAW/CryptolEnv.hs
index 74892c7895..7abfd4e72f 100644
--- a/cryptol-saw-core/src/Verifier/SAW/CryptolEnv.hs
+++ b/cryptol-saw-core/src/Verifier/SAW/CryptolEnv.hs
@@ -372,7 +372,7 @@ loadCryptolModule ::
   IO (CryptolModule, CryptolEnv)
 loadCryptolModule sc primOpts env path = do
   let modEnv = eModuleEnv env
-  (m, modEnv') <- liftModuleM modEnv (MB.loadModuleByPath path)
+  (m, modEnv') <- liftModuleM modEnv (snd <$> MB.loadModuleByPath True path)
   checkNotParameterized m
 
   let ifaceDecls = getAllIfaceDecls modEnv'
@@ -439,7 +439,7 @@ importModule sc env src as vis imps = do
   (m, modEnv') <-
     liftModuleM modEnv $
     case src of
-      Left path -> MB.loadModuleByPath path
+      Left path -> snd <$> MB.loadModuleByPath True path
       Right mn -> snd <$> MB.loadModuleFrom True (MM.FromModule mn)
   checkNotParameterized m
 
diff --git a/deps/cryptol b/deps/cryptol
index 09f03264f7..4b89554988 160000
--- a/deps/cryptol
+++ b/deps/cryptol
@@ -1 +1 @@
-Subproject commit 09f03264f7d37610bb1b145bb53e044316ccb76d
+Subproject commit 4b89554988e1f755b6d8f49e6be08027aadbaacf
diff --git a/src/SAWScript/AutoMatch/Cryptol.hs b/src/SAWScript/AutoMatch/Cryptol.hs
index 56d26505d1..0720badb14 100644
--- a/src/SAWScript/AutoMatch/Cryptol.hs
+++ b/src/SAWScript/AutoMatch/Cryptol.hs
@@ -78,6 +78,7 @@ whereBindings _                       = Nothing
 declDefExpr :: AST.DeclDef -> Maybe AST.Expr
 declDefExpr = \case
    AST.DPrim      -> Nothing
+   AST.DForeign {} -> Nothing
    AST.DExpr expr -> Just expr
 
 -- | If a lambda is of the form @\(a,b,...,z) -> ...)@ then give the list of names bound in the tuple