diff --git a/Library/Homebrew/cmd/update.sh b/Library/Homebrew/cmd/update.sh
index 822bb90d72..7108374449 100644
--- a/Library/Homebrew/cmd/update.sh
+++ b/Library/Homebrew/cmd/update.sh
@@ -581,7 +581,7 @@ EOS
   for DIR in "${HOMEBREW_REPOSITORY}" "${HOMEBREW_LIBRARY}"/Taps/*/*
   do
     if [[ -z "${HOMEBREW_NO_INSTALL_FROM_API}" ]] &&
-       [[ -z "${HOMEBREW_DEVELOPER}" || -n "${HOMEBREW_UPDATE_AUTO}" ]] &&
+       [[ -z "${HOMEBREW_DEVELOPER}" && -z "${HOMEBREW_DEV_CMD_RUN}" || -n "${HOMEBREW_UPDATE_AUTO}" ]] &&
        [[ ("${DIR}" == "${HOMEBREW_CORE_REPOSITORY}" && -z "${HOMEBREW_UPDATE_CORE_TAP}") ||
           ("${DIR}" == "${HOMEBREW_CASK_REPOSITORY}" && -z "${HOMEBREW_UPDATE_CASK_TAP}") ]]
     then
@@ -738,7 +738,7 @@ EOS
   for DIR in "${HOMEBREW_REPOSITORY}" "${HOMEBREW_LIBRARY}"/Taps/*/*
   do
     if [[ -z "${HOMEBREW_NO_INSTALL_FROM_API}" ]] &&
-       [[ -z "${HOMEBREW_DEVELOPER}" || -n "${HOMEBREW_UPDATE_AUTO}" ]] &&
+       [[ -z "${HOMEBREW_DEVELOPER}" && -z "${HOMEBREW_DEV_CMD_RUN}" || -n "${HOMEBREW_UPDATE_AUTO}" ]] &&
        [[ ("${DIR}" == "${HOMEBREW_CORE_REPOSITORY}" && -z "${HOMEBREW_UPDATE_CORE_TAP}") ||
           ("${DIR}" == "${HOMEBREW_CASK_REPOSITORY}" && -z "${HOMEBREW_UPDATE_CASK_TAP}") ]]
     then