diff --git a/src/setup-ghidra-source.cmake b/src/setup-ghidra-source.cmake
index 90fb52315..c196d37d9 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 "ddf36db434ebf86efe241afc9b344caa304a2b24")
+  set(ghidra_head_git_tag "eaf6f0e6461642ff8bde6c7606559fcf416d83f4")
   set(ghidra_git_tag "${ghidra_head_git_tag}")
   set(ghidra_shallow FALSE)
   set(ghidra_patches
diff --git a/src/spec_files_HEAD.cmake b/src/spec_files_HEAD.cmake
index 282e9d425..8624bf0e7 100644
--- a/src/spec_files_HEAD.cmake
+++ b/src/spec_files_HEAD.cmake
@@ -57,6 +57,10 @@ set(spec_file_list
   "${ghidrasource_SOURCE_DIR}/Ghidra/Processors/HCS12/data/languages/HCS12.slaspec"
   "${ghidrasource_SOURCE_DIR}/Ghidra/Processors/HCS12/data/languages/HCS12X.slaspec"
   "${ghidrasource_SOURCE_DIR}/Ghidra/Processors/JVM/data/languages/JVM.slaspec"
+  "${ghidrasource_SOURCE_DIR}/Ghidra/Processors/Loongarch/data/languages/loongarch32_f32.slaspec"
+  "${ghidrasource_SOURCE_DIR}/Ghidra/Processors/Loongarch/data/languages/loongarch32_f64.slaspec"
+  "${ghidrasource_SOURCE_DIR}/Ghidra/Processors/Loongarch/data/languages/loongarch64_f32.slaspec"
+  "${ghidrasource_SOURCE_DIR}/Ghidra/Processors/Loongarch/data/languages/loongarch64_f64.slaspec"
   "${ghidrasource_SOURCE_DIR}/Ghidra/Processors/M8C/data/languages/m8c.slaspec"
   "${ghidrasource_SOURCE_DIR}/Ghidra/Processors/MC6800/data/languages/6805.slaspec"
   "${ghidrasource_SOURCE_DIR}/Ghidra/Processors/MC6800/data/languages/6809.slaspec"