diff --git a/requirements.txt b/requirements.txt
index cd5171ebd..718896783 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -12,7 +12,7 @@ fire
 PyYAML>=6.0
 requests
 datasets>=2.15.0
-flash-attn==2.3.3
+flash-attn==2.5.5
 sentencepiece
 wandb
 einops
diff --git a/setup.py b/setup.py
index 4a949a60d..40dd0a668 100644
--- a/setup.py
+++ b/setup.py
@@ -68,7 +68,7 @@ setup(
     dependency_links=dependency_links,
     extras_require={
         "flash-attn": [
-            "flash-attn==2.5.0",
+            "flash-attn==2.5.5",
         ],
         "fused-dense-lib": [
             "fused-dense-lib  @ git+https://github.com/Dao-AILab/flash-attention@v2.3.3#subdirectory=csrc/fused_dense_lib",