diff --git a/rules/build_sector.smk b/rules/build_sector.smk
index cd259d39..227f64da 100644
--- a/rules/build_sector.smk
+++ b/rules/build_sector.smk
@@ -437,7 +437,7 @@ rule build_salt_cavern_potentials:
 
 rule build_ammonia_production:
     input:
-        usgs="data/bundle/myb1-2017-nitro.xls",
+        usgs="data/bundle/myb1-2021-nitro-ert.xlsx",
     output:
         ammonia_production=resources("ammonia_production.csv"),
     threads: 1
diff --git a/scripts/build_ammonia_production.py b/scripts/build_ammonia_production.py
index 37692f2f..83dfde20 100644
--- a/scripts/build_ammonia_production.py
+++ b/scripts/build_ammonia_production.py
@@ -18,7 +18,8 @@ Outputs
 Description
 -------
 
-This functions takes data from the `Minerals Yearbook <https://www.usgs.gov/centers/national-minerals-information-center/nitrogen-statistics-and-information>`_ (June 2024) published by the US Geological Survey (USGS) and the National Minerals Information Center and extracts the annual ammonia production per country in ktonN/a. The data is converted to ktonNH3/a.
+This functions takes data from the `Minerals Yearbook <https://www.usgs.gov/centers/national-minerals-information-center/nitrogen-statistics-and-information>`_
+ (July 2024) published by the US Geological Survey (USGS) and the National Minerals Information Center and extracts the annual ammonia production per country in ktonN/a. The data is converted to ktonNH3/a.
 """
 
 import country_converter as coco
@@ -48,9 +49,9 @@ if __name__ == "__main__":
 
     ammonia.index = cc.convert(ammonia.index, to="iso2")
 
-    years = [str(i) for i in range(2013, 2018)]
+    years = [str(i) for i in range(2017, 2022)]
 
-    ammonia = ammonia[years]
+    ammonia = ammonia.rename(columns=lambda x: str(x))[years]
 
     # convert from ktonN to ktonNH3
     ammonia *= 17 / 14