diff --git a/examples/all-clusters-app/nrfconnect/prj.conf b/examples/all-clusters-app/nrfconnect/prj.conf
index 075fdd8e9d8d19..731a3741f2ce71 100644
--- a/examples/all-clusters-app/nrfconnect/prj.conf
+++ b/examples/all-clusters-app/nrfconnect/prj.conf
@@ -57,3 +57,6 @@ CONFIG_CHIP_ENABLE_READ_CLIENT=y
 
 # Increase the settings partition
 CONFIG_PM_PARTITION_SIZE_SETTINGS_STORAGE=0x8000
+
+# Increase heap size
+CONFIG_CHIP_MALLOC_SYS_HEAP_SIZE=10240
diff --git a/examples/all-clusters-app/nrfconnect/prj_dfu.conf b/examples/all-clusters-app/nrfconnect/prj_dfu.conf
index 1925502dcad410..e09b17d3c67cce 100644
--- a/examples/all-clusters-app/nrfconnect/prj_dfu.conf
+++ b/examples/all-clusters-app/nrfconnect/prj_dfu.conf
@@ -55,3 +55,6 @@ CONFIG_CHIP_FACTORY_DATA_BUILD=y
 
 # Enable the Read Client for binding purposes
 CONFIG_CHIP_ENABLE_READ_CLIENT=y
+
+# Increase heap size
+CONFIG_CHIP_MALLOC_SYS_HEAP_SIZE=10240
diff --git a/examples/all-clusters-app/nrfconnect/prj_release.conf b/examples/all-clusters-app/nrfconnect/prj_release.conf
index 18685a7488fce5..d02d498d21f7f9 100644
--- a/examples/all-clusters-app/nrfconnect/prj_release.conf
+++ b/examples/all-clusters-app/nrfconnect/prj_release.conf
@@ -66,3 +66,6 @@ CONFIG_CHIP_ENABLE_READ_CLIENT=y
 # Enable LTO to reduce the flash usage
 CONFIG_LTO=y
 CONFIG_ISR_TABLES_LOCAL_DECLARATION=y
+
+# Increase heap size
+CONFIG_CHIP_MALLOC_SYS_HEAP_SIZE=10240