diff --git a/.github/workflows/build-and-release.yaml b/.github/workflows/build-and-release.yaml
index 3cea5f6..312b1bf 100644
--- a/.github/workflows/build-and-release.yaml
+++ b/.github/workflows/build-and-release.yaml
@@ -61,6 +61,9 @@ jobs:
       matrix:
         configuration:
           - thingy91.low-power.memfault
+          # Double-tap to crash (dt2c) sends Button ID 42 and crashes on double tap of button
+          # to demonstrate the Memfault crash reporting feature.
+          - thingy91.low-power.memfault.dt2c
           - nrf9160dk.low-power.memfault
           # Not enough flash for Memfault AND debug on Thingy:91,
           # and it's not that useful anyway because debug builds
@@ -142,6 +145,11 @@ jobs:
           echo "CONFIG_MEMFAULT_NCS_IMPLEMENT_METRICS_COLLECTION=n" >> firmware.conf
           echo MEMFAULT_OVERLAY=overlay-memfault.conf >> $GITHUB_ENV
 
+      - name: Configure double-tap-to-crash
+        if: contains(matrix.configuration, 'dt2c')
+        working-directory: firmware
+        run: echo "CONFIG_UI_DOUBLE_TAP_TO_CRASH=y" >> firmware.conf
+
       - name: Configure for NB-IoT only
         working-directory: firmware
         if: contains(matrix.configuration, 'nbiot')
diff --git a/package.json b/package.json
index 130e294..ce4cc93 100644
--- a/package.json
+++ b/package.json
@@ -134,6 +134,26 @@
               "name": "thingy_world-${nextRelease.gitTag}-Thingy91-low-power.elf",
               "label": "App Symbols ELF file for Thingy:91 firmware (low power)"
             },
+            {
+              "path": "/home/runner/work/thingy-world-firmware-aws/thingy-world-firmware-aws/thingy91.low-power.memfault.dt2c-*/merged.hex",
+              "name": "thingy_world-Thingy91-low-power-dt2c-${nextRelease.gitTag}.hex",
+              "label": "App with Bootloader HEX file for Thingy:91 (with double-tap-to-crash) (low power)"
+            },
+            {
+              "path": "/home/runner/work/thingy-world-firmware-aws/thingy-world-firmware-aws/thingy91.low-power.memfault.dt2c-*/app_signed.hex",
+              "name": "thingy_world-Thingy91-low-power-dt2c-${nextRelease.gitTag}-signed.hex",
+              "label": "Firmware Update Image HEX file for Thingy:91 (with double-tap-to-crash) (low power, signed)"
+            },
+            {
+              "path": "/home/runner/work/thingy-world-firmware-aws/thingy-world-firmware-aws/thingy91.low-power.memfault.dt2c-*/app_update.bin",
+              "name": "thingy_world-Thingy91-low-power-dt2c-${nextRelease.gitTag}-app_upgrade.bin",
+              "label": "Firmware Update Image BIN file for Thingy:91 (with double-tap-to-crash) (low power)"
+            },
+            {
+              "path": "/home/runner/work/thingy-world-firmware-aws/thingy-world-firmware-aws/thingy91.low-power.memfault.dt2c-*/zephyr.elf",
+              "name": "thingy_world-Thingy91-low-power-dt2c-${nextRelease.gitTag}.elf",
+              "label": "App Symbols ELF file for Thingy:91 (with double-tap-to-crash) firmware (low power)"
+            },
             {
               "path": "/home/runner/work/thingy-world-firmware-aws/thingy-world-firmware-aws/thingy91.low-power.memfault.nbiot-*/merged.hex",
               "name": "thingy_world-${nextRelease.gitTag}-Thingy91-low-power-nbiot.hex",
diff --git a/sdk-nrf b/sdk-nrf
index d8e7886..252fe31 160000
--- a/sdk-nrf
+++ b/sdk-nrf
@@ -1 +1 @@
-Subproject commit d8e7886829381d7da28b2f76a338d42e3df17ea7
+Subproject commit 252fe312d0261a14e4dbcdd0fbbf26cc3c069592