diff --git a/subprojects/NitroDWC.wrap b/subprojects/NitroDWC.wrap
index 168e3f98b6..699f8430fd 100644
--- a/subprojects/NitroDWC.wrap
+++ b/subprojects/NitroDWC.wrap
@@ -1,8 +1,9 @@
 [wrap-git]
 url = https://github.com/Nomura-RH/NitroDWC.git
-revision = main
+revision = 8220c8bdec2e8b5252ee710cf3cc0c148228a03a
 depth = 1
 directory = NitroDWC-2.2.30008
 
 [provide]
 dependency_names = NitroDWC
+
diff --git a/subprojects/NitroSDK.wrap b/subprojects/NitroSDK.wrap
index 423aa29945..0755f4569a 100644
--- a/subprojects/NitroSDK.wrap
+++ b/subprojects/NitroSDK.wrap
@@ -1,9 +1,10 @@
 [wrap-git]
 url = https://github.com/Nomura-RH/NitroSDK.git
-revision = main
+revision = 0082ec3dd5e951a7ee7c2067595a4fa0e9496d36
 depth = 1
 directory = NitroSDK-4.2.30001
 
 [provide]
 dependency_names = NitroSDK
 program_names = makelcf
+
diff --git a/subprojects/NitroSystem.wrap b/subprojects/NitroSystem.wrap
index ccbf1c505f..7e5b4bb6f4 100644
--- a/subprojects/NitroSystem.wrap
+++ b/subprojects/NitroSystem.wrap
@@ -1,8 +1,9 @@
 [wrap-git]
 url = https://github.com/Nomura-RH/NitroSystem.git
-revision = main
+revision = 507acff1585505bdac3f996551ca5123f8408073
 depth = 1
 directory = NitroSystem-071126.1
 
 [provide]
 dependency_names = NitroSystem
+
diff --git a/subprojects/NitroWiFi.wrap b/subprojects/NitroWiFi.wrap
index b3a65b35ec..da0ba7bb78 100644
--- a/subprojects/NitroWiFi.wrap
+++ b/subprojects/NitroWiFi.wrap
@@ -1,8 +1,9 @@
 [wrap-git]
 url = https://github.com/Nomura-RH/NitroWiFi.git
-revision = main
+revision = 0d74e5de275952680962237da9d592e80815679a
 depth = 1
 directory = NitroWiFi-2.1.30003
 
 [provide]
 dependency_names = NitroWiFi
+
diff --git a/subprojects/libvct.wrap b/subprojects/libvct.wrap
index 2daeca835c..3d382a46b8 100644
--- a/subprojects/libvct.wrap
+++ b/subprojects/libvct.wrap
@@ -1,8 +1,9 @@
 [wrap-git]
 url = https://github.com/Nomura-RH/libvct.git
-revision = main
+revision = dd9f89d7c0a52e74a3c4b25552ea05cdc127a011
 depth = 1
 directory = libvct-1.3.1
 
 [provide]
 dependency_names = libvct
+
diff --git a/subprojects/update.ini b/subprojects/update.ini
new file mode 100644
index 0000000000..c5b62c864b
--- /dev/null
+++ b/subprojects/update.ini
@@ -0,0 +1,14 @@
+[NitroDWC]
+revision = main
+
+[NitroSDK]
+revision = main
+
+[NitroSystem]
+revision = main
+
+[NitroWiFi]
+revision = main
+
+[libvct]
+revision = main
diff --git a/subprojects/update.py b/subprojects/update.py
new file mode 100755
index 0000000000..592a07e8d4
--- /dev/null
+++ b/subprojects/update.py
@@ -0,0 +1,27 @@
+#!/usr/bin/env python3
+
+from configparser import ConfigParser
+from subprocess import run
+from os.path import dirname, realpath, join
+
+def update_wrap(wrap, revision):
+    cfg = ConfigParser()
+    cfg.read(wrap)
+    git = cfg["wrap-git"]
+    url = git["url"]
+    cmd = run(["git", "ls-remote", url, revision],
+              check=True, capture_output=True)
+    rev = cmd.stdout.decode().split()[0]
+    print(" - Revision:", rev)
+    git["revision"] = rev
+    with open(wrap, "w") as f:
+        cfg.write(f)
+
+if __name__ == "__main__":
+    subprojects = dirname(realpath(__file__))
+    cfg = ConfigParser()
+    cfg.read(join(subprojects, "update.ini"))
+    for wrap in cfg.sections():
+        print("Updating:", wrap)
+        revision = cfg[wrap]["revision"]
+        update_wrap(join(subprojects, wrap + ".wrap"), revision)