diff --git a/site-setup.sh b/site-setup.sh
index 81f17fff2..8bcd3d96e 100755
--- a/site-setup.sh
+++ b/site-setup.sh
@@ -15,7 +15,7 @@ export IMPERASD_LICENSE_FILE=27020@zircon.eng.hmc.edu               # Change thi
 export QUESTA_HOME=/cad/mentor/questa_sim-2023.4/questasim          # Change this for your path to Questa, excluding bin
 export DC_HOME=/cad/synopsys/SYN                                    # Change this for your path to Synopsys DC, excluding bin
 export VCS_HOME=/cad/synopsys/vcs/U-2023.03-SP2-4                   # Change this for your path to Synopsys VCS, excluding bin
-export BREKER_HOME=/cad/breker/trek5-2.1.10b-GCC6_el7               # Change this for your path to Breker Trek
+export BREKER_HOME=/cad/breker/trek5-2.1.11-GCC6_el7                # Change this for your path to Breker Trek
 
 # Tools
 # Questa and Synopsys
diff --git a/testbench/trek_files/platform.yaml b/testbench/trek_files/platform.yaml
index d7f7b8dad..c5b201342 100644
--- a/testbench/trek_files/platform.yaml
+++ b/testbench/trek_files/platform.yaml
@@ -154,7 +154,11 @@ trek:
       doc: >-
         Verbatim code that will be put into the header section of the test.
       value: |-
-
+        // enable mtimer  interrupts 
+        #define TREK_MTIME_BASE     (0x0200bff8)
+        #define TREK_MTIMECMP_BASE  (0x02004000)
+        #define TREK_MSWI_BASE      (0x02000000)
+        #define TREK_MTIMECMP_DELAY  0x1000
     declaration:
       doc: >-
         Verbatim code that will be put into the declaration section of the test.
diff --git a/tests/breker/Makefile b/tests/breker/Makefile
index fc56d8805..e21b6b3d5 100644
--- a/tests/breker/Makefile
+++ b/tests/breker/Makefile
@@ -14,7 +14,7 @@ TREKSVIP         := source $(TREKFILES)/breker-setup.sh && treksvip -p $(PLATFOR
 # Compilation paths and variables
 START_LIB_DIR := $(WALLY)/examples/C/common
 START_LIB     := $(START_LIB_DIR)/crt.S $(START_LIB_DIR)/syscalls.c
-MARCH         :=-march=rv64gc_zcb_zfa_zba_zbb_zbc_zbs_zfh_zicboz_zicbop_zicbom_zbkb_zbkx_zknd_zkne_zknh_svinval 
+MARCH         :=-march=rv64gc_zcb_zfa_zba_zbb_zbc_zbs_zfh_zicboz_zicbop_zicbom_zicond_zbkb_zbkx_zknd_zkne_zknh_svinval
 MABI          :=-mabi=lp64d
 LINKER        := $(START_LIB_DIR)/test.ld
 LINK_FLAGS    := -nostartfiles