diff --git a/CHANGELOG.md b/CHANGELOG.md
index ff475c6fe..ae9082d98 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -14,6 +14,7 @@ and this project adheres to [Semantic Versioning](http://semver.org/spec/v2.0.0.
 - Add Channel Estimation application and kernels
 - Update Bender to version 0.27.3
 - Update default Questasim version to 2022.3
+- Decrease stack size to 128 words
 
 ### Fixed
 - Fix type issue in `snitch_addr_demux`
diff --git a/config/config.mk b/config/config.mk
index a1412894d..0691071c8 100644
--- a/config/config.mk
+++ b/config/config.mk
@@ -38,10 +38,10 @@ l1_bank_size ?= 1024
 
 # Size of sequential memory per core (in bytes)
 # (must be a power of two)
-seq_mem_size ?= 1024
+seq_mem_size ?= 512
 
 # Size of stack in sequential memory per core (in bytes)
-stack_size ?= 1024
+stack_size ?= 512
 
 #########################
 ##  AXI configuration  ##
diff --git a/config/systolic.mk b/config/systolic.mk
index 9eb404740..27f67be66 100644
--- a/config/systolic.mk
+++ b/config/systolic.mk
@@ -26,7 +26,7 @@ axi_masters_per_group ?= 1
 
 # Size of sequential memory per core (in bytes)
 # (must be a power of two)
-seq_mem_size ?= 2048
+seq_mem_size ?= 1024
 
 #############################
 ##  Xqueues configuration  ##