diff --git a/CHANGELOG.md b/CHANGELOG.md
index 0c21ea4..86f9e4b 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,10 +1,8 @@
 ## spacesavers2 development version
 
-📢 Now tracking user-facing changes with a changelog. (#61, @kelly-sovacool)
-
 ### New features
 
-- 
+- adding `requirements.txt` for easy creation of environment in "spacesavers2" docker (#68, @kopardev)
 
 ## Bug fixes
 
diff --git a/requirements.txt b/requirements.txt
new file mode 100644
index 0000000..a10b4e9
--- /dev/null
+++ b/requirements.txt
@@ -0,0 +1 @@
+xxhash==3.4.1