diff --git a/laser_echo_analysis/requirements.txt b/laser_echo_analysis/requirements.txt
new file mode 100644
index 0000000..b31a5ab
--- /dev/null
+++ b/laser_echo_analysis/requirements.txt
@@ -0,0 +1,3 @@
+pandas==2.2.*
+matplotlib==3.8.*
+pytest==7.4.*
\ No newline at end of file