diff --git a/.github/workflows/snapshot-nhsn-data.yml b/.github/workflows/snapshot-nhsn-data.yml
index 6d3e680..1a57a54 100644
--- a/.github/workflows/snapshot-nhsn-data.yml
+++ b/.github/workflows/snapshot-nhsn-data.yml
@@ -36,7 +36,7 @@ jobs:
 
       - name: install R packages
         run: |
-          Rscript -e "install.packages('remotes');
+          Rscript -e "install.packages(c('remotes', 'lubridate'));
                       remotes::install_github('Chicago/RSocrata')"
       
       - name: Get file name
@@ -47,6 +47,8 @@ jobs:
                          nhsn_data <- nhsn_data[c('jurisdiction', 'weekendingdate', 'totalconfflunewadm', 'totalconfc19newadm')];
                          nhsn_data[['weekendingdate']] <- substr(nhsn_data[['weekendingdate']], 1, 10);
                          colnames(nhsn_data) <- c('Geographic aggregation', 'Week Ending Date', 'Total Influenza Admissions', 'Total COVID-19 Admissions');
+                         max_date <- lubridate::ymd(max(nhsn_data[['Week Ending Date']]));
+                         if (max_date < lubridate::floor_date(Sys.Date(), 'week') - 1L) stop(paste0('Target data is out of date \nLatest date ', max_date));
                          write.csv(nhsn_data, file = '$FILE_NAME', row.names = FALSE)"
         env:
           FILE_NAME: ${{ env.FILE_NAME }}
diff --git a/.github/workflows/snapshot-nssp-data.yml b/.github/workflows/snapshot-nssp-data.yml
index cd09334..b38fc31 100644
--- a/.github/workflows/snapshot-nssp-data.yml
+++ b/.github/workflows/snapshot-nssp-data.yml
@@ -63,6 +63,8 @@ jobs:
                          };
                          nssp_data <- nssp_data[c('week_end', 'geography', 'county', 'fips', 'hsa_nci_id', 'percent_visits_covid', 'percent_visits_influenza', 'percent_visits_rsv')];
                          nssp_data[['week_end']] <- substr(nssp_data[['week_end']], 1, 10);
+                         max_date <- lubridate::ymd(max(nssp_data[['week_end']]));
+                         if (max_date < lubridate::floor_date(Sys.Date(), 'week') - 1L) stop(paste0('Target data is out of date \nLatest date ', max_date));
                          write.csv(nssp_data, file = '$FILE_NAME', row.names = FALSE)"
         env:
           FILE_NAME: ${{ env.FILE_NAME }}