diff --git a/HPC_setup/requirements_HDFML_additionals.txt b/HPC_setup/requirements_HDFML_additionals.txt
index fd22a309913efa6478a4a00f94bac70433e21774..a0bbb3b21daaa5181d5180b22d69c40652e387d7 100644
--- a/HPC_setup/requirements_HDFML_additionals.txt
+++ b/HPC_setup/requirements_HDFML_additionals.txt
@@ -59,6 +59,7 @@ termcolor==1.1.0
 toml==0.10.2
 toolz==0.11.1
 typing-extensions==3.7.4.3
+tzwhere==3.0.3
 urllib3==1.26.3
 Werkzeug==1.0.1
 wget==3.2
diff --git a/HPC_setup/requirements_JUWELS_additionals.txt b/HPC_setup/requirements_JUWELS_additionals.txt
index fd22a309913efa6478a4a00f94bac70433e21774..a0bbb3b21daaa5181d5180b22d69c40652e387d7 100644
--- a/HPC_setup/requirements_JUWELS_additionals.txt
+++ b/HPC_setup/requirements_JUWELS_additionals.txt
@@ -59,6 +59,7 @@ termcolor==1.1.0
 toml==0.10.2
 toolz==0.11.1
 typing-extensions==3.7.4.3
+tzwhere==3.0.3
 urllib3==1.26.3
 Werkzeug==1.0.1
 wget==3.2