diff --git a/deps/Project.toml b/deps/Project.toml
index 54d5d52ca..1eee64aec 100644
--- a/deps/Project.toml
+++ b/deps/Project.toml
@@ -4,4 +4,7 @@ Pkg = "44cfe95a-1eb2-52ea-b672-e2afdf69b78f"
 Preferences = "21216c6a-2e73-6563-6e65-726566657250"
 Scratch = "6c6a2e73-6563-6170-7368-637461726353"
 Clang = "40e3b903-d033-50b4-a0cc-940c62c95e31"
-BinaryBuilderBase = "7f725544-6523-48cd-82d1-3fa08ff4056e"
\ No newline at end of file
+BinaryBuilderBase = "7f725544-6523-48cd-82d1-3fa08ff4056e"
+
+[compat]
+Clang = "0.18"
diff --git a/deps/ReactantExtra/Project.toml b/deps/ReactantExtra/Project.toml
index de88b1005..4e1c9287e 100644
--- a/deps/ReactantExtra/Project.toml
+++ b/deps/ReactantExtra/Project.toml
@@ -1,3 +1,6 @@
 [deps]
 Clang = "40e3b903-d033-50b4-a0cc-940c62c95e31"
-BinaryBuilderBase = "7f725544-6523-48cd-82d1-3fa08ff4056e"
\ No newline at end of file
+BinaryBuilderBase = "7f725544-6523-48cd-82d1-3fa08ff4056e"
+
+[compat]
+Clang = "0.18"
diff --git a/deps/build_local.jl b/deps/build_local.jl
index 9cf453f1b..1f1d078ef 100644
--- a/deps/build_local.jl
+++ b/deps/build_local.jl
@@ -18,7 +18,7 @@ Pkg.activate(; temp=true)
 # Build!
 @info "Building" source_dir scratch_dir
 run(`mkdir -p $(scratch_dir)`)
-run(Cmd(`$(Base.julia_cmd().exec[1]) --project=. -e "using Pkg; Pkg.instantiate(); Pkg.add(url=\"https://github.com/JuliaInterop/Clang.jl\", rev=\"vc/cxx_parse2\")"`, dir=source_dir))
+run(Cmd(`$(Base.julia_cmd().exec[1]) --project=. -e "using Pkg; Pkg.instantiate()"`, dir=source_dir))
 run(Cmd(`bazel build -c dbg --action_env=JULIA=$(Base.julia_cmd().exec[1]) --check_visibility=false ...`, dir=source_dir))
 
 # Discover built libraries