diff --git a/.gitignore b/.gitignore
index 7b79a3c8..a8224c8e 100644
--- a/.gitignore
+++ b/.gitignore
@@ -14,4 +14,5 @@ erl_crash.dump
 # IntelliJ IDEA files
 /.idea
 /exaws.iml
-.elixir_ls
\ No newline at end of file
+.elixir_ls
+*~
diff --git a/.tool-versions b/.tool-versions
index de9b652f..7879e57e 100644
--- a/.tool-versions
+++ b/.tool-versions
@@ -1,2 +1,2 @@
-elixir 1.16.3-otp-26
-erlang 26.2.5
+elixir 1.17.2
+erlang 27.0.1