diff --git a/samples/bluetooth/central_ht/boards/frdm_rw612.conf b/samples/bluetooth/central_ht/boards/frdm_rw612.conf
index 2df782efc71..6bec2cd6b37 100644
--- a/samples/bluetooth/central_ht/boards/frdm_rw612.conf
+++ b/samples/bluetooth/central_ht/boards/frdm_rw612.conf
@@ -1 +1,2 @@
 CONFIG_PM=y
+CONFIG_ENTROPY_GENERATOR=y
diff --git a/samples/bluetooth/central_ht/boards/rd_rw612_bga.conf b/samples/bluetooth/central_ht/boards/rd_rw612_bga.conf
index 2df782efc71..6bec2cd6b37 100644
--- a/samples/bluetooth/central_ht/boards/rd_rw612_bga.conf
+++ b/samples/bluetooth/central_ht/boards/rd_rw612_bga.conf
@@ -1 +1,2 @@
 CONFIG_PM=y
+CONFIG_ENTROPY_GENERATOR=y
diff --git a/samples/bluetooth/iso_connected_benchmark/prj.conf b/samples/bluetooth/iso_connected_benchmark/prj.conf
index 09781083adb..eb099a3497a 100644
--- a/samples/bluetooth/iso_connected_benchmark/prj.conf
+++ b/samples/bluetooth/iso_connected_benchmark/prj.conf
@@ -15,3 +15,5 @@ CONFIG_MAIN_STACK_SIZE=2048
 CONFIG_LOG=y
 CONFIG_CBPRINTF_FP_SUPPORT=y
 CONFIG_LOG_BUFFER_SIZE=2048
+
+CONFIG_ENTROPY_GENERATOR=y
diff --git a/samples/bluetooth/peripheral/boards/nucleo_l4r5zi_stm32l4r5xx.conf b/samples/bluetooth/peripheral/boards/nucleo_l4r5zi_stm32l4r5xx.conf
new file mode 100644
index 00000000000..5858c7b6db1
--- /dev/null
+++ b/samples/bluetooth/peripheral/boards/nucleo_l4r5zi_stm32l4r5xx.conf
@@ -0,0 +1 @@
+CONFIG_ENTROPY_GENERATOR=y
diff --git a/samples/bluetooth/peripheral_csc/prj.conf b/samples/bluetooth/peripheral_csc/prj.conf
index 59dbb7799df..fc1993bc808 100644
--- a/samples/bluetooth/peripheral_csc/prj.conf
+++ b/samples/bluetooth/peripheral_csc/prj.conf
@@ -1,3 +1,4 @@
+CONFIG_ENTROPY_GENERATOR=y
 CONFIG_TEST_RANDOM_GENERATOR=y
 CONFIG_BT=y
 CONFIG_BT_PERIPHERAL=y
diff --git a/samples/bluetooth/peripheral_ht/boards/frdm_rw612.conf b/samples/bluetooth/peripheral_ht/boards/frdm_rw612.conf
index 2df782efc71..6bec2cd6b37 100644
--- a/samples/bluetooth/peripheral_ht/boards/frdm_rw612.conf
+++ b/samples/bluetooth/peripheral_ht/boards/frdm_rw612.conf
@@ -1 +1,2 @@
 CONFIG_PM=y
+CONFIG_ENTROPY_GENERATOR=y
diff --git a/samples/bluetooth/peripheral_ht/boards/mimxrt1020_evk_mimxrt1021.conf b/samples/bluetooth/peripheral_ht/boards/mimxrt1020_evk_mimxrt1021.conf
new file mode 100644
index 00000000000..5858c7b6db1
--- /dev/null
+++ b/samples/bluetooth/peripheral_ht/boards/mimxrt1020_evk_mimxrt1021.conf
@@ -0,0 +1 @@
+CONFIG_ENTROPY_GENERATOR=y
diff --git a/samples/bluetooth/peripheral_ht/boards/rd_rw612_bga.conf b/samples/bluetooth/peripheral_ht/boards/rd_rw612_bga.conf
index 2df782efc71..6bec2cd6b37 100644
--- a/samples/bluetooth/peripheral_ht/boards/rd_rw612_bga.conf
+++ b/samples/bluetooth/peripheral_ht/boards/rd_rw612_bga.conf
@@ -1 +1,2 @@
 CONFIG_PM=y
+CONFIG_ENTROPY_GENERATOR=y
diff --git a/samples/bluetooth/st_ble_sensor/prj.conf b/samples/bluetooth/st_ble_sensor/prj.conf
index eb6dae37fbe..4bcba44c606 100644
--- a/samples/bluetooth/st_ble_sensor/prj.conf
+++ b/samples/bluetooth/st_ble_sensor/prj.conf
@@ -4,3 +4,4 @@ CONFIG_BT_DEVICE_NAME="P2PSRV1"
 CONFIG_BT_GATT_CLIENT=y
 CONFIG_LOG=y
 CONFIG_LOG_BUFFER_SIZE=2048
+CONFIG_ENTROPY_GENERATOR=y
diff --git a/samples/boards/st/power_mgmt/stm32wb_ble/prj.conf b/samples/boards/st/power_mgmt/stm32wb_ble/prj.conf
index 1dff53f1da7..a04a0c309c3 100644
--- a/samples/boards/st/power_mgmt/stm32wb_ble/prj.conf
+++ b/samples/boards/st/power_mgmt/stm32wb_ble/prj.conf
@@ -2,3 +2,4 @@ CONFIG_BT=y
 CONFIG_BT_DEVICE_NAME="Test beacon"
 CONFIG_POWEROFF=y
 CONFIG_PM=y
+CONFIG_ENTROPY_GENERATOR=y
diff --git a/tests/bluetooth/shell/audio.conf b/tests/bluetooth/shell/audio.conf
index 5e4e57ff561..ea738538c4d 100644
--- a/tests/bluetooth/shell/audio.conf
+++ b/tests/bluetooth/shell/audio.conf
@@ -248,3 +248,6 @@ CONFIG_BT_CTLR_ADV_ISO_STREAM_MAX=4
 # Match the number of unicast streams supported in BAP
 CONFIG_BT_CTLR_ISOAL_SOURCES=2
 CONFIG_BT_CTLR_ISOAL_SINKS=2
+
+# Enable entropy source for Mbed TLS's PSA Crypto core
+CONFIG_ENTROPY_GENERATOR=y
diff --git a/tests/bluetooth/tester/boards/frdm_rw612.conf b/tests/bluetooth/tester/boards/frdm_rw612.conf
index ba1ae16dc7c..fc61f3bc7d2 100644
--- a/tests/bluetooth/tester/boards/frdm_rw612.conf
+++ b/tests/bluetooth/tester/boards/frdm_rw612.conf
@@ -1,4 +1,5 @@
 CONFIG_BT_MAX_CONN=16
+CONFIG_ENTROPY_GENERATOR=y
 
 # debug options
 # CONFIG_UART_CONSOLE=y
diff --git a/tests/bluetooth/tester/boards/rd_rw612_bga.conf b/tests/bluetooth/tester/boards/rd_rw612_bga.conf
index ba1ae16dc7c..fc61f3bc7d2 100644
--- a/tests/bluetooth/tester/boards/rd_rw612_bga.conf
+++ b/tests/bluetooth/tester/boards/rd_rw612_bga.conf
@@ -1,4 +1,5 @@
 CONFIG_BT_MAX_CONN=16
+CONFIG_ENTROPY_GENERATOR=y
 
 # debug options
 # CONFIG_UART_CONSOLE=y