diff --git a/CHANGELOG.md b/CHANGELOG.md
index 62c47500..296374d9 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -7,8 +7,11 @@ About changelog [here](https://keepachangelog.com/en/1.0.0/)
 ## [x.x.x]
 ### Added
 ### Changed
+ - Changed cached method from simple to file system as it would be thread safe
+
 ### Fixed
-- Fixed max arg error when searching for some genes
+ - Fixed cache issue that could result in chromosome information not being updated
+ - Fixed max arg error when searching for some genes
 
 ## [2.1.1]
 ### Added
diff --git a/gens/blueprints/gens/views.py b/gens/blueprints/gens/views.py
index 2776e45b..d558329f 100644
--- a/gens/blueprints/gens/views.py
+++ b/gens/blueprints/gens/views.py
@@ -23,7 +23,6 @@
 
 
 @gens_bp.route("/<path:sample_name>", methods=["GET"])
-@cache.cached(timeout=60)
 def display_case(sample_name):
     """
     Renders the Gens template
diff --git a/gens/cache.py b/gens/cache.py
index 6efde991..dcf425fe 100644
--- a/gens/cache.py
+++ b/gens/cache.py
@@ -1,4 +1,6 @@
 """Initiate cachig for app."""
 from flask_caching import Cache
+import tempfile
 
-cache = Cache(config={"CACHE_TYPE": "simple"})
+tmp_dir = tempfile.TemporaryDirectory(prefix="gens_cache_")
+cache = Cache(config={"CACHE_TYPE": "FileSystemCache", "CACHE_DIR": tmp_dir.name})