diff --git a/build.cfg b/build.cfg
index 9082ccbe..b4a834b9 100644
--- a/build.cfg
+++ b/build.cfg
@@ -5,12 +5,12 @@ en_dict_sha256 = c44a5d7847925eea9e4d2d04748d442cd28dd9299a0b572ef7d91eac4f5a6ce
 
 ## https://github.com/fcitx/libime/blob/master/data/CMakeLists.txt
 # lm
-lm_sc = lm_sc.arpa-20260606.tar.zst
-lm_sc_sha256 = 8c7da1b03770060269b92c0e6172552a2a9041cb74ef0be0b2659e10f0a703f1
+lm_sc = lm_sc.arpa-20260629.tar.zst
+lm_sc_sha256 = 06808333b9173e5374cf2cb5afc12d08f5625bf9abb536489cac376fc05f2e7f
 
 # pinyin dict
-pinyin_dict = dict-20260430.tar.zst
-pinyin_dict_sha256 = 3edc008d90fcd61b9967b9e590f396189d7a00fa74c45ecde0d9850a0fdd6241
+pinyin_dict = dict-20260907.tar.zst
+pinyin_dict_sha256 = fb75a179065e690dfc4559ce1807cbaf4fbe4f0111a5005615be9f435e6b9d76
 
 # table dict
 table = table-20240108.tar.gz
diff --git a/src/Rules/LibIME.hs b/src/Rules/LibIME.hs
index 77d9fc76..8b294440 100644
--- a/src/Rules/LibIME.hs
+++ b/src/Rules/LibIME.hs
@@ -83,7 +83,7 @@ lmRule = do
   outputDir </> "sc.lm" %> \out -> do
     let src = outputDir </> "lm_sc.arpa"
     need ["libime-tools", src]
-    execute "libime_slm_build_binary" "-s -a 22 -q 8 trie" src out
+    execute "libime_slm_build_binary" "-s -a 22 -q 4 trie" src out
   outputDir </> "sc.lm.predict" %> \out -> do
     let src1 = outputDir </> "sc.lm"
         src2 = outputDir </> "lm_sc.arpa"