diff --git a/src/setup-ghidra-source.cmake b/src/setup-ghidra-source.cmake
index db17e4e1f..aabd9c9e4 100644
--- a/src/setup-ghidra-source.cmake
+++ b/src/setup-ghidra-source.cmake
@@ -48,7 +48,7 @@ if("${sleigh_RELEASE_TYPE}" STREQUAL "HEAD")
   # TODO: CMake only likes numeric characters in the version string....
   set(ghidra_head_version "10.5")
   set(ghidra_version "${ghidra_head_version}")
-  set(ghidra_head_git_tag "eaf6f0e6461642ff8bde6c7606559fcf416d83f4")
+  set(ghidra_head_git_tag "c225fac124821d789b12e4c76f4a0f6eabe83544")
   set(ghidra_git_tag "${ghidra_head_git_tag}")
   set(ghidra_shallow FALSE)
   set(ghidra_patches
diff --git a/src/spec_files_HEAD.cmake b/src/spec_files_HEAD.cmake
index 8624bf0e7..828ae14aa 100644
--- a/src/spec_files_HEAD.cmake
+++ b/src/spec_files_HEAD.cmake
@@ -126,6 +126,8 @@ set(spec_file_list
   "${ghidrasource_SOURCE_DIR}/Ghidra/Processors/Toy/data/languages/toy_wsz_be.slaspec"
   "${ghidrasource_SOURCE_DIR}/Ghidra/Processors/Toy/data/languages/toy_wsz_le.slaspec"
   "${ghidrasource_SOURCE_DIR}/Ghidra/Processors/V850/data/languages/V850.slaspec"
+  "${ghidrasource_SOURCE_DIR}/Ghidra/Processors/Xtensa/data/languages/xtensa_be.slaspec"
+  "${ghidrasource_SOURCE_DIR}/Ghidra/Processors/Xtensa/data/languages/xtensa_le.slaspec"
   "${ghidrasource_SOURCE_DIR}/Ghidra/Processors/Z80/data/languages/z180.slaspec"
   "${ghidrasource_SOURCE_DIR}/Ghidra/Processors/Z80/data/languages/z80.slaspec"
   "${ghidrasource_SOURCE_DIR}/Ghidra/Processors/eBPF/data/languages/eBPF_le.slaspec"