diff --git a/core/include/cv64a6_imafdcv_sv39_config_pkg.sv b/core/include/cv64a6_imafdcv_sv39_config_pkg.sv
index 4ba8055681..018a3365bc 100644
--- a/core/include/cv64a6_imafdcv_sv39_config_pkg.sv
+++ b/core/include/cv64a6_imafdcv_sv39_config_pkg.sv
@@ -38,12 +38,12 @@ package cva6_config_pkg;
   localparam CVA6ConfigDataUserEn = 0;
   localparam CVA6ConfigDataUserWidth = CVA6ConfigXlen;
 
-  localparam CVA6ConfigIcacheByteSize = 16384;
+  localparam CVA6ConfigIcacheByteSize = 4096;
   localparam CVA6ConfigIcacheSetAssoc = 4;
   localparam CVA6ConfigIcacheLineWidth = 128;
-  localparam CVA6ConfigDcacheByteSize = 16384;
+  localparam CVA6ConfigDcacheByteSize = 8192;
   localparam CVA6ConfigDcacheSetAssoc = 4;
-  localparam CVA6ConfigDcacheLineWidth = 128;
+  localparam CVA6ConfigDcacheLineWidth = 256;
 
   localparam CVA6ConfigDcacheIdWidth = 1;
   localparam CVA6ConfigMemTidWidth = 2;