diff --git a/deps/checksums/mmtk_julia b/deps/checksums/mmtk_julia
new file mode 100644
index 0000000000000..49b7a50a8e136
--- /dev/null
+++ b/deps/checksums/mmtk_julia
@@ -0,0 +1,4 @@
+mmtk_julia-b69acf5af7a7dd97c1cc6fd99f7c2d51b477f214.tar.gz/md5/1911cf084d26c48e2ed58af3d268b4b6
+mmtk_julia-b69acf5af7a7dd97c1cc6fd99f7c2d51b477f214.tar.gz/sha512/75beab54398989c46b62e714b242cf6705d88d220f40c21e494e0f29161437f5fbe9ba05b543d2353a1ad76f4239ac4025b476be0be864649f310f14935289fe
+mmtk_julia-f07d66aafc86af84ea988b35335acc9bbc770fa1.tar.gz/md5/38afb5db6d8c55413a4ec96aefa2ebb4
+mmtk_julia-f07d66aafc86af84ea988b35335acc9bbc770fa1.tar.gz/sha512/78525582a46a6baf8d33df7b622e55cf244439afcd7192ba55489c1bc18393d1237d2903d517c610484bf9e2a7338ad31435a9cbf70889d6bcf87c40cec829e5
\ No newline at end of file
diff --git a/deps/checksums/mmtk_julia-b69acf5af7a7dd97c1cc6fd99f7c2d51b477f214.tar.gz/md5 b/deps/checksums/mmtk_julia-b69acf5af7a7dd97c1cc6fd99f7c2d51b477f214.tar.gz/md5
deleted file mode 100644
index fc6955c8f2e7b..0000000000000
--- a/deps/checksums/mmtk_julia-b69acf5af7a7dd97c1cc6fd99f7c2d51b477f214.tar.gz/md5
+++ /dev/null
@@ -1 +0,0 @@
-1911cf084d26c48e2ed58af3d268b4b6
diff --git a/deps/checksums/mmtk_julia-b69acf5af7a7dd97c1cc6fd99f7c2d51b477f214.tar.gz/sha512 b/deps/checksums/mmtk_julia-b69acf5af7a7dd97c1cc6fd99f7c2d51b477f214.tar.gz/sha512
deleted file mode 100644
index ea916976895a3..0000000000000
--- a/deps/checksums/mmtk_julia-b69acf5af7a7dd97c1cc6fd99f7c2d51b477f214.tar.gz/sha512
+++ /dev/null
@@ -1 +0,0 @@
-75beab54398989c46b62e714b242cf6705d88d220f40c21e494e0f29161437f5fbe9ba05b543d2353a1ad76f4239ac4025b476be0be864649f310f14935289fe
diff --git a/deps/mmtk_julia.version b/deps/mmtk_julia.version
index 60f7cffe7b4de..4d821bffd5b9b 100644
--- a/deps/mmtk_julia.version
+++ b/deps/mmtk_julia.version
@@ -1,4 +1,4 @@
 MMTK_JULIA_BRANCH = master
-MMTK_JULIA_SHA1 = b69acf5af7a7dd97c1cc6fd99f7c2d51b477f214
+MMTK_JULIA_SHA1 = f07d66aafc86af84ea988b35335acc9bbc770fa1
 MMTK_JULIA_GIT_URL := https://github.com/mmtk/mmtk-julia.git
-MMTK_JULIA_TAR_URL = https://github.com/mmtk/mmtk-julia/archive/refs/tags/v0.30.2.tar.gz
+MMTK_JULIA_TAR_URL = https://github.com/mmtk/mmtk-julia/archive/refs/tags/v0.30.3.tar.gz
diff --git a/src/gc-mmtk.c b/src/gc-mmtk.c
index 99389d12cc208..5ec1e34cc1acd 100644
--- a/src/gc-mmtk.c
+++ b/src/gc-mmtk.c
@@ -491,14 +491,15 @@ JL_DLLEXPORT void jl_gc_scan_vm_specific_roots(RootsWorkClosure* closure)
     add_node_to_roots_buffer(closure, &buf, &len, jl_emptytuple_type);
     add_node_to_roots_buffer(closure, &buf, &len, cmpswap_names);
 
-    add_node_to_roots_buffer(closure, &buf, &len, precompile_field_replace);
-
     // jl_global_roots_table must be transitively pinned
     RootsWorkBuffer tpinned_buf = (closure->report_tpinned_nodes_func)((void**)0, 0, 0, closure->data, true);
     size_t tpinned_len = 0;
     add_node_to_tpinned_roots_buffer(closure, &tpinned_buf, &tpinned_len, jl_global_roots_list);
     add_node_to_tpinned_roots_buffer(closure, &tpinned_buf, &tpinned_len, jl_global_roots_keyset);
 
+    // FIXME: transivitely pinning for now, should be removed after we add moving Immix
+    add_node_to_tpinned_roots_buffer(closure, &tpinned_buf, &tpinned_len, precompile_field_replace);
+
     // Push the result of the work.
     (closure->report_nodes_func)(buf.ptr, len, buf.cap, closure->data, false);
     (closure->report_tpinned_nodes_func)(tpinned_buf.ptr, tpinned_len, tpinned_buf.cap, closure->data, false);