diff --git a/src/chips.rs b/src/chips.rs
index 4162ac7..2bbc5d5 100644
--- a/src/chips.rs
+++ b/src/chips.rs
@@ -127,11 +127,11 @@ impl PeriMatcher {
             (".*:LPUART:sci3_v1_3", ("lpuart", "v2", "LPUART")),
             (".*:LPUART:sci3_v1_4", ("lpuart", "v2", "LPUART")),
             ("STM32L5.*:RNG:.*", ("rng", "v2", "RNG")),
-            ("STM32U5.*:RNG:.*", ("rng", "v2", "RNG")),
             (".*:RNG:rng1_v1_1", ("rng", "v1", "RNG")),
             (".*:RNG:rng1_v2_0", ("rng", "v1", "RNG")),
             (".*:RNG:rng1_v2_1", ("rng", "v1", "RNG")),
             (".*:RNG:rng1_v3_1", ("rng", "v2", "RNG")),
+            (".*:RNG:rng1_v4_1", ("rng", "v2", "RNG")),
             (".*:SPI:spi2_v1_4", ("spi", "f1", "SPI")),
             (".*:SPI:spi2s1_v2_1", ("spi", "v1", "SPI")),
             (".*:SPI:spi2s1_v2_2", ("spi", "v1", "SPI")),