diff --git a/src/lib/interfere.sh b/src/lib/interfere.sh
old mode 100755
new mode 100644
index d030e33..aa968f2
--- a/src/lib/interfere.sh
+++ b/src/lib/interfere.sh
@@ -145,45 +145,96 @@ function interference-makepkg() {
 function interference-bump() {
   set -euo pipefail
 
-  local _PACKAGES _PKGTAG _VERSION _BUMPSFILE _BUMPS _BUMP
+  local _PACKAGES _PKGTAG _BUMPSFILE _BUMPS
+  local _BUMPS_TMP _BUMPS_UPD _BUMPS_RVW _BUMP _LINE
 
   _BUMPSFILE="${CAUR_INTERFERE}/PKGREL_BUMPS"
 
-  if [ -f "${_BUMPSFILE}" ]; then
-    _BUMPS=$(<"${_BUMPSFILE}")
+  if [[ -f "${_BUMPSFILE}" ]]; then
+    _BUMPS=$(sort -u "${_BUMPSFILE}")
   else
     _BUMPS=""
   fi
 
-  _PACKAGES="$(repoctl list -v)"
-
-  # Clear old bumps
-  while IFS= read -r _BUMP; do
-    _PKGTAG=${_BUMP%% *}
-    _VERSION="$(awk -v pkgtag="${_PKGTAG}" '$1==pkgtag { print $NF; exit }' <<<"${_PACKAGES}")"
-    local _INTERNALVERSION _INTERNALBUMPCOUNT
-    IFS=";" read -r _INTERNALVERSION _INTERNALBUMPCOUNT <<<"$(awk -v pkgtag="${_PKGTAG}" '$1==pkgtag { print $2 ";" $3; exit }' <<<"${_BUMPS}")"
-    if [[ -z "${_INTERNALVERSION}" ]] || [[ -z "${_INTERNALBUMPCOUNT}" ]]; then
-      continue
-    fi
-    if [[ "$(vercmp "${_VERSION}" "${_INTERNALVERSION}.${_INTERNALBUMPCOUNT}")" -gt 0 ]]; then
-      _BUMPS="$(awk -v pkgtag="$_PKGTAG" '/^$/ {next} $1==pkgtag { next } 1' <<<"${_BUMPS}")"
-    fi
-  done <<<"$_BUMPS"
-
-  # Add/increase existing bumps
+  # format: [name] [version]-[pkgrel] [bump]
+  _PACKAGES="$(
+    repoctl list -v \
+      | sed -E \
+        -e 's@-([0-9]+\S*)$@-\1 0@' \
+        -e 's@-([0-9]+)(\.([0-9]+)) 0$@-\1 \3@' \
+      | sort -u
+  )"
+
+  # collect packages with mismatched pkgver, pkgrel, or bump
+  _BUMPS_TMP=$(
+    comm -13 \
+      <(sort -u <<<"${_PACKAGES}" || true) \
+      <(sort -u <<<"${_BUMPS}" || true)
+  )
+
+  # combine mismatched package with current listing
+  _BUMPS_TMP+=$(
+    echo
+    while read -r _LINE; do
+      [[ -z "${_LINE}" ]] && continue
+      grep -Esm1 '^'"${_LINE%% *}"'\b .*$' <<<"${_PACKAGES}"
+    done <<<"${_BUMPS_TMP}"
+  )
+
+  # _BUMPS_RVW will contain packages that need review.
+  # These are usually packages that have yet to be rebuilt.
+  # The pkgver and pkgrel match, but bump is still mismatched.
+  _BUMPS_RVW=$(
+    echo
+    sort -u <<<"${_BUMPS_TMP}"
+  )
+
+  # _BUMPS_UPD will contain packages with new releases.
+  # The pkgver and pkgrel no longer match the bump list.
+  _BUMPS_UPD=$(
+    sed -Ez \
+      -e 's&\n(\S+ \S+) \S+\n\1 \S+\n&\n\n&g' \
+      -e 's&\n(\S+ \S+) \S+\n\1 \S+\n&\n\n&g' \
+      <<<"${_BUMPS_RVW}" | sort -u || true
+  )
+
+  _BUMPS_RVW=$(
+    comm -23 \
+      <(sort -u <<<"${_BUMPS_RVW}" || true) \
+      <(sort -u <<<"${_BUMPS_UPD}" || true)
+  )
+
+  # remove updated packages from bump list
+  _BUMPS_TMP=$(sed -E 's& .*$&&' <<<"${_BUMPS_UPD}")
+
+  while read -r _LINE; do
+    [[ -z "${_LINE}" ]] && continue
+    _BUMPS=$(
+      sed -E "/^${_LINE} .*+\$/d" <<<"${_BUMPS}"
+    )
+  done <<<"${_BUMPS_TMP}"
+
+  # add new bump or increase existing one
   for _PKGTAG in "$@"; do
-    _VERSION="$(awk -v pkgtag="${_PKGTAG}" '$1==pkgtag { print $NF; exit }' <<<"${_PACKAGES}")"
-    if [ -z "${_VERSION}" ]; then
-      echo "Package ${_PKGTAG} not found in repo" >&2
-      return 1
+    [[ -z "$_PKGTAG" ]] && continue
+    # increase existing bump
+    _LINE=$(grep -Esm1 "^$_PKGTAG " <<<"$_BUMPS" || true)
+    if [[ -z "$_LINE" ]]; then
+      # add new bump
+      _LINE=$(grep -Esm1 "^$_PKGTAG " <<<"$_PACKAGES" || true)
+      [[ -n "$_LINE" ]] && _BUMPS+=$'\n'"$_LINE"
+    fi
+    if [[ -n "$_LINE" ]]; then
+      _BUMP=$(sed -E 's&^.* ([0-9]+)&\1&' <<<"$_LINE")
+      _BUMPS=$(sed -E 's&^('"${_LINE% *}"') '"$_BUMP"'$&\1 '"$((_BUMP + 1))"'&' <<<"$_BUMPS")
     fi
-    _VERSION="${_VERSION##* }"
-    _BUMPS="$(awk -v pkgtag="$_PKGTAG" -v version="$_VERSION" '/^$/ {next} $1==pkgtag { if (!set) { print $1 " " $2 " " $3+1; set=1 }; next } ENDFILE { if (!set) { print pkgtag " " version " " "1" }; exit } 1' <<<"${_BUMPS}")"
   done
 
-  echo "${_BUMPS}"
-  echo "${_BUMPS}" >"${_BUMPSFILE}"
+  # display packages for review
+  echo "${_BUMPS_RVW}" | sed -E 's& .*$&&' | sort -u
+
+  # update bump file
+  sort -u <<<"${_BUMPS}" >"${_BUMPSFILE}"
 
   interfere-push-bumps || interfere-sync
   return 0