diff --git a/examples/lang_support/official/rust-async/Cargo.lock b/examples/lang_support/official/rust-async/Cargo.lock
index d9ecc765fb89..ca63d7103f24 100644
--- a/examples/lang_support/official/rust-async/Cargo.lock
+++ b/examples/lang_support/official/rust-async/Cargo.lock
@@ -553,7 +553,7 @@ checksum = "2b15c43186be67a4fd63bee50d0303afffcef381492ebe2c5d87f324e1b8815c"
 [[package]]
 name = "riot-sys"
 version = "0.7.15"
-source = "git+https://github.com/RIOT-OS/rust-riot-sys#4f83b534fee5e8d68881a79236e70fa38d313ee1"
+source = "git+https://github.com/RIOT-OS/rust-riot-sys#88d87768c8046878a927e792f0540f61f7acb999"
 dependencies = [
  "bindgen",
  "c2rust-asm-casts",
diff --git a/examples/lang_support/official/rust-gcoap/Cargo.lock b/examples/lang_support/official/rust-gcoap/Cargo.lock
index d2708fa8a31f..79af7d8ce197 100644
--- a/examples/lang_support/official/rust-gcoap/Cargo.lock
+++ b/examples/lang_support/official/rust-gcoap/Cargo.lock
@@ -767,7 +767,7 @@ dependencies = [
 [[package]]
 name = "riot-sys"
 version = "0.7.15"
-source = "git+https://github.com/RIOT-OS/rust-riot-sys#4f83b534fee5e8d68881a79236e70fa38d313ee1"
+source = "git+https://github.com/RIOT-OS/rust-riot-sys#88d87768c8046878a927e792f0540f61f7acb999"
 dependencies = [
  "bindgen",
  "c2rust-asm-casts",
diff --git a/examples/lang_support/official/rust-hello-world/Cargo.lock b/examples/lang_support/official/rust-hello-world/Cargo.lock
index 4dca4059f813..caf7bc094e2e 100644
--- a/examples/lang_support/official/rust-hello-world/Cargo.lock
+++ b/examples/lang_support/official/rust-hello-world/Cargo.lock
@@ -437,7 +437,7 @@ checksum = "2b15c43186be67a4fd63bee50d0303afffcef381492ebe2c5d87f324e1b8815c"
 [[package]]
 name = "riot-sys"
 version = "0.7.15"
-source = "git+https://github.com/RIOT-OS/rust-riot-sys#4f83b534fee5e8d68881a79236e70fa38d313ee1"
+source = "git+https://github.com/RIOT-OS/rust-riot-sys#88d87768c8046878a927e792f0540f61f7acb999"
 dependencies = [
  "bindgen",
  "c2rust-asm-casts",
diff --git a/sys/rust_riotmodules_standalone/Cargo.lock b/sys/rust_riotmodules_standalone/Cargo.lock
index 6c1e0a833828..b20785002483 100644
--- a/sys/rust_riotmodules_standalone/Cargo.lock
+++ b/sys/rust_riotmodules_standalone/Cargo.lock
@@ -523,7 +523,7 @@ dependencies = [
 [[package]]
 name = "riot-sys"
 version = "0.7.15"
-source = "git+https://github.com/RIOT-OS/rust-riot-sys#4f83b534fee5e8d68881a79236e70fa38d313ee1"
+source = "git+https://github.com/RIOT-OS/rust-riot-sys#88d87768c8046878a927e792f0540f61f7acb999"
 dependencies = [
  "bindgen",
  "c2rust-asm-casts",
diff --git a/tests/rust_minimal/Cargo.lock b/tests/rust_minimal/Cargo.lock
index 8d071c85fea3..a571e965bec2 100644
--- a/tests/rust_minimal/Cargo.lock
+++ b/tests/rust_minimal/Cargo.lock
@@ -437,7 +437,7 @@ checksum = "2b15c43186be67a4fd63bee50d0303afffcef381492ebe2c5d87f324e1b8815c"
 [[package]]
 name = "riot-sys"
 version = "0.7.15"
-source = "git+https://github.com/RIOT-OS/rust-riot-sys#4f83b534fee5e8d68881a79236e70fa38d313ee1"
+source = "git+https://github.com/RIOT-OS/rust-riot-sys#88d87768c8046878a927e792f0540f61f7acb999"
 dependencies = [
  "bindgen",
  "c2rust-asm-casts",