diff --git a/repa-algorithms.cabal b/repa-algorithms.cabal
--- a/repa-algorithms.cabal
+++ b/repa-algorithms.cabal
@@ -1,5 +1,5 @@
 Name:                repa-algorithms
-Version:             3.4.1.2
+Version:             3.4.1.3
 License:             BSD3
 License-file:        LICENSE
 Author:              The DPH Team
@@ -18,19 +18,20 @@
 
 Library
   Build-Depends:
-        base                 >= 4.8 && < 4.11
+        base                 >= 4.8 && < 4.13
       , vector               >= 0.11 && < 0.13
       , repa                 == 3.4.1.*
 
   ghc-options:
         -Wall
-        -Odph
-        -fno-warn-missing-signatures
-        -fno-liberate-case
+        -O2
+        -fmax-simplifier-iterations=20
         -fsimplifier-phases=4
-        -funfolding-use-threshold=1000
-        -funfolding-keeness-factor=1000
         -funbox-strict-fields
+        -fno-liberate-case
+        -fno-warn-missing-signatures
+        -funfolding-keeness-factor=1000
+        -funfolding-use-threshold=1000
 
   if impl(ghc >= 8.0)
     ghc-options: -fno-cpr-anal