diff --git a/embassy-stm32/src/rcc/h7/mod.rs b/embassy-stm32/src/rcc/h7/mod.rs
index 30990233..5ec53182 100644
--- a/embassy-stm32/src/rcc/h7/mod.rs
+++ b/embassy-stm32/src/rcc/h7/mod.rs
@@ -532,6 +532,7 @@ pub unsafe fn init(config: Config) {
         ahb1: core_clocks.hclk,
         ahb2: core_clocks.hclk,
         ahb3: core_clocks.hclk,
+        ahb4: core_clocks.hclk,
         apb1: core_clocks.pclk1,
         apb2: core_clocks.pclk2,
         apb4: core_clocks.pclk4,
diff --git a/embassy-stm32/src/rcc/mod.rs b/embassy-stm32/src/rcc/mod.rs
index c7d1ae61..b7b692f1 100644
--- a/embassy-stm32/src/rcc/mod.rs
+++ b/embassy-stm32/src/rcc/mod.rs
@@ -26,6 +26,9 @@ pub struct Clocks {
     #[cfg(any(rcc_l4, rcc_f4, rcc_h7, rcc_wb55, rcc_wl5x))]
     pub ahb3: Hertz,
 
+    #[cfg(any(rcc_h7))]
+    pub ahb4: Hertz,
+
     #[cfg(any(rcc_h7))]
     pub apb4: Hertz,
 }
diff --git a/stm32-data b/stm32-data
index a2167373..3d0489cd 160000
--- a/stm32-data
+++ b/stm32-data
@@ -1 +1 @@
-Subproject commit a2167373ee8fd0e75dce003bfdbadda8b32ff77c
+Subproject commit 3d0489cd17a4ea1d8da289bd5854346fdfbf5f61