diff --git a/requirements.txt b/requirements.txt
index 5255117..9e65972 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -5,4 +5,4 @@
 # You can also run `make switch-to-poetry` to use the poetry package manager.
 
 grpcio
-grpcio-tools==1.51.1
\ No newline at end of file
+grpcio-tools<2.0.0
\ No newline at end of file
diff --git a/xtlsapi/VERSION b/xtlsapi/VERSION
index 944880f..e4604e3 100644
--- a/xtlsapi/VERSION
+++ b/xtlsapi/VERSION
@@ -1 +1 @@
-3.2.0
+3.2.1