diff --git a/tests/benchmarks/multicore/idle_spim_loopback/src/main.c b/tests/benchmarks/multicore/idle_spim_loopback/src/main.c
index 82e60cc57b0c..e66ab97c56fd 100644
--- a/tests/benchmarks/multicore/idle_spim_loopback/src/main.c
+++ b/tests/benchmarks/multicore/idle_spim_loopback/src/main.c
@@ -275,8 +275,8 @@ int main(void)
 		/* SPI was active for ~1 second with separate SPI CS activations
 		 * for each spi_transceive_dt() call.
 		 */
-		__ASSERT_NO_MSG(high >= 1000);
-		__ASSERT_NO_MSG(low >= 1000);
+		__ASSERT_NO_MSG(high >= 100);
+		__ASSERT_NO_MSG(low >= 100);
 		__ASSERT_NO_MSG(low == high);
 #endif
 		counter++;
diff --git a/west.yml b/west.yml
index 60660e3c6960..d47eef121928 100644
--- a/west.yml
+++ b/west.yml
@@ -69,7 +69,7 @@ manifest:
     # https://developer.nordicsemi.com/nRF_Connect_SDK/doc/latest/zephyr/guides/modules.html
     - name: zephyr
       repo-path: sdk-zephyr
-      revision: 382877e15f13507f40c73b385446987fc7ace57e
+      revision: 51d538f0a4a264aeedcd34d02e140c95a48c5625
       import:
         # In addition to the zephyr repository itself, NCS also
         # imports the contents of zephyr/west.yml at the above