diff --git a/.github/workflows/shinyapps_deploy.yml b/.github/workflows/shinyapps_deploy.yml
index ea67768..3a0a71d 100644
--- a/.github/workflows/shinyapps_deploy.yml
+++ b/.github/workflows/shinyapps_deploy.yml
@@ -64,6 +64,7 @@ jobs:
           echo 'DFA_CLIENT_SECRET="${{ secrets.OAUTH_CLIENT_SECRET }}"' >> .Renviron
           echo 'DFA_DCC_CONFIG="https://raw.githubusercontent.com/Sage-Bionetworks/data_flow_config/dev/tenants.json"' >> .Renviron
           echo 'GITHUB_PAT="${{ secrets.GITHUB_TOKEN }}"' >> .Renviron
+          echo 'DFA_REF="${{ github.ref }}"' >> .Renviron
 
         # deploy app using rsconnect
       - name: Authorize and deploy app
diff --git a/R/global.R b/R/global.R
index 6bdc09c..e93d2e4 100644
--- a/R/global.R
+++ b/R/global.R
@@ -1,3 +1,15 @@
+## SET GLOBAL VARS
+
+# READ IN BRANCH NAME
+ref <- Sys.getenv("DFA_REF")
+
+# SET FAVICON URL
+FAVICON_URL <- file.path(
+  "https://raw.githubusercontent.com/Sage-Bionetworks/data_flow",
+  ref, # FIXME: Automate branch via env variable
+  "inst/app/www/favicon.ico"
+)
+
 # READ IN TENANTS.JSON
 tenants_config_path <- Sys.getenv("DFA_DCC_CONFIG")
 if (is.null(tenants_config_path) || nchar(tenants_config_path) == 0) stop("missing DFA_DCC_CONFIG environmental variable")
@@ -64,9 +76,3 @@ api <- httr::oauth_endpoint(
 
 # The 'openid' scope is required by the protocol for retrieving user information.
 scope <- "openid view download modify"
-
-FAVICON_URL <- file.path(
-  "https://raw.githubusercontent.com/Sage-Bionetworks/data_flow",
-  "dev", # FIXME: Automate branch via env variable
-  "inst/app/www/favicon.ico"
-)
\ No newline at end of file