diff --git a/qa/zcash/postponed-updates.txt b/qa/zcash/postponed-updates.txt
index 859edaa92..d48b7b3cf 100644
--- a/qa/zcash/postponed-updates.txt
+++ b/qa/zcash/postponed-updates.txt
@@ -4,6 +4,11 @@
 # bdb 18.1.40 2020-09-01
 #
 
+native_cxxbridge 1.0.69 2022-09-01
+native_cxxbridge 1.0.70 2022-09-01
+rustcxx 1.0.69 2022-09-01
+rustcxx 1.0.70 2022-09-01
+
 # Ccache 4.0 requires adding CMake to the depends system.
 native_ccache 4.0 2022-09-01
 native_ccache 4.1 2022-09-01
diff --git a/qa/zcash/updatecheck.py b/qa/zcash/updatecheck.py
index ba0d79a30..75d903aee 100755
--- a/qa/zcash/updatecheck.py
+++ b/qa/zcash/updatecheck.py
@@ -79,10 +79,19 @@ def get_dependency_list():
             GithubTagReleaseLister("llvm", "llvm-project", "^llvmorg-(\d+)\.(\d+).(\d+)$",
                 { "llvmorg-11.0.0": (11, 0, 0), "llvmorg-9.0.1-rc3": None}),
             DependsVersionGetter("native_clang")),
+        Dependency("native_cxxbridge",
+            GithubTagReleaseLister("dtolnay", "cxx", "^(\d+)\.(\d+)\.(\d+)$",
+                { "1.0.17": (1, 0, 17) }),
+            DependsVersionGetter("native_cxxbridge")),
         Dependency("native_rust",
             GithubTagReleaseLister("rust-lang", "rust", "^(\d+)\.(\d+)(?:\.(\d+))?$",
                 { "1.33.0": (1, 33, 0), "0.9": (0, 9) }),
             DependsVersionGetter("native_rust")),
+        # rustcxx matches the cxxbridge version
+        Dependency("rustcxx",
+            GithubTagReleaseLister("dtolnay", "cxx", "^(\d+)\.(\d+)\.(\d+)$",
+                { "1.0.17": (1, 0, 17) }),
+            DependsVersionGetter("native_cxxbridge")),
         Dependency("zeromq",
             GithubTagReleaseLister("zeromq", "libzmq", "^v(\d+)\.(\d+)(?:\.(\d+))?$",
                 { "v4.3.1": (4, 3, 1), "v4.2.0-rc1": None }),