diff --git a/Dockerfile b/Dockerfile
index 38a0c15..01d4398 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -1,4 +1,4 @@
-FROM alpine:3.17.2@sha256:69665d02cb32192e52e07644d76bc6f25abeb5410edc1c7a81a10ba3f0efb90a
+FROM alpine:3.20.3
 
 LABEL repository="https://github.com/koenrh/dnscontrol-action"
 LABEL maintainer="Koen Rouwhorst <info@koenrouwhorst.nl>"
@@ -8,15 +8,15 @@ LABEL "com.github.actions.description"="Deploy your DNS configuration to multipl
 LABEL "com.github.actions.icon"="cloud"
 LABEL "com.github.actions.color"="yellow"
 
-ENV DNSCONTROL_VERSION="3.31.4"
-ENV DNSCONTROL_CHECKSUM="054d236531df2674c9286279596f88f02c1cf7b1448dc5f643f1a1dbe705fe8d"
+ENV DNSCONTROL_VERSION="4.14.3"
+ENV DNSCONTROL_CHECKSUM="8c7e8a181beb17b130a6365bc81ffd024176951b5082d51539412198907e1e48"
 
 RUN apk -U --no-cache upgrade && \
-    apk add --no-cache bash ca-certificates curl libc6-compat
+    apk add --no-cache bash ca-certificates curl libc6-compat tar
 
-RUN curl -sL "https://github.com/StackExchange/dnscontrol/releases/download/v$DNSCONTROL_VERSION/dnscontrol-Linux" \
-  -o dnscontrol && \
-  echo "$DNSCONTROL_CHECKSUM  dnscontrol" | sha256sum -c - && \
+RUN curl -sL "https://github.com/StackExchange/dnscontrol/releases/download/v${DNSCONTROL_VERSION}/dnscontrol_${DNSCONTROL_VERSION}_linux_amd64.tar.gz" -o dnscontrol.tar.gz && \
+  echo "$DNSCONTROL_CHECKSUM  dnscontrol.tar.gz" | sha256sum -c - && \
+  tar -xzf "dnscontrol.tar.gz" && \
   chmod +x dnscontrol && \
   mv dnscontrol /usr/local/bin/dnscontrol
 
diff --git a/bin/filter-preview-output.sh b/bin/filter-preview-output.sh
index d7aa360..78114fb 100755
--- a/bin/filter-preview-output.sh
+++ b/bin/filter-preview-output.sh
@@ -6,4 +6,6 @@ grep -v -e '^\.\.\.0 corrections$' |\
   grep -v -e '\.\.\. (skipping)' |\
   grep -v -e '^----- DNS Provider: ' |\
   grep -v -e '^----- Registrar: ' |\
-  grep -v -e '^----- Getting nameservers from:'
+  grep -v -e '^----- Getting nameservers from:' | \
+  sed -r "s/\x1B\[([0-9]{1,3}(;[0-9]{1,2};?)?)?[mGK]//g" # remove ANSI color codes
+  ## https://stackoverflow.com/questions/17998978/removing-colors-from-output
\ No newline at end of file
diff --git a/entrypoint.sh b/entrypoint.sh
index 8c09703..401672c 100755
--- a/entrypoint.sh
+++ b/entrypoint.sh
@@ -17,6 +17,7 @@ ARGS=(
 # 'check' sub-command doesn't require credentials
 if [ "$1" != "check" ]; then
     ARGS+=(--creds "$CREDS_ABS_PATH")
+    ARGS+=(--cmode concurrent)
 fi
 
 IFS=