diff --git a/R/webchem-package.R b/R/webchem-package.R
index aede85a2..9c0db841 100644
--- a/R/webchem-package.R
+++ b/R/webchem-package.R
@@ -30,7 +30,7 @@ if (getRversion() >= "2.15.1")
 #'   \item{value}{concentration in ug/L}
 #'   \item{qual}{qualifier, indicating values < LOQ}
 #' }
-#' @source \url{http://jdkfg.lubw.baden-wuerttemberg.de/servlet/is/300/}
+#' @source \url{https://udo.lubw.baden-wuerttemberg.de/?highlightglobalid=gewaesserguetedaten}
 "jagst"
 
 
diff --git a/man/jagst.Rd b/man/jagst.Rd
index 8a53dea2..26cb4d03 100644
--- a/man/jagst.Rd
+++ b/man/jagst.Rd
@@ -14,7 +14,7 @@ A data frame with 442 rows and 4 variables:
 }
 }
 \source{
-\url{http://jdkfg.lubw.baden-wuerttemberg.de/servlet/is/300/}
+\url{https://udo.lubw.baden-wuerttemberg.de/?highlightglobalid=gewaesserguetedaten}
 }
 \usage{
 jagst