diff --git a/matrix/coturn/turnserver.conf b/matrix/coturn/turnserver.conf
index eacd7bd..c153035 100644
--- a/matrix/coturn/turnserver.conf
+++ b/matrix/coturn/turnserver.conf
@@ -458,14 +458,14 @@ no-tcp-relay
 # configuration file.
 # Use PEM file format.
 #
-cert=/etc/letsencrypt/live/$BASE_URL/fullchain.pem;
+cert=/etc/letsencrypt/live/$BASE_URL/fullchain.pem
 
 # Private key file.
 # Use an absolute path or path relative to the
 # configuration file.
 # Use PEM file format.
 #
-pkey=/etc/letsencrypt/live/$BASE_URL/privkey.pem;
+pkey=/etc/letsencrypt/live/$BASE_URL/privkey.pem
 
 # Private key file password, if it is in encoded format.
 # This option has no default value.
diff --git a/searxng/config/settings.yml b/searxng/config/settings.yml
index f464231..8fb9701 100644
--- a/searxng/config/settings.yml
+++ b/searxng/config/settings.yml
@@ -227,11 +227,7 @@ hostname_replace:
 #   '(.*\.)?youtube\.com$': 'invidious.example.com'
 #   '(.*\.)?youtu\.be$': 'invidious.example.com'
 #   '(.*\.)?youtube-noocookie\.com$': 'yotter.example.com'
-#   '(.*\.)?reddit\.com$': 'teddit.example.com'
-#   '(.*\.)?redd\.it$': 'teddit.example.com'
 #   '(www\.)?twitter\.com$': 'nitter.example.com'
-#   # to remove matching host names from result list, set value to false
-#   'spam\.example\.com': false
 
 checker:
   # disable checker when in debug mode
diff --git a/sonarr/Dockerfile b/sonarr/Dockerfile
index fbfe906..eb0fe87 100644
--- a/sonarr/Dockerfile
+++ b/sonarr/Dockerfile
@@ -8,36 +8,15 @@ RUN apt-get update                                \
         ca-certificates                           \
         curl                                      \
     && rm -rf /var/lib/apt/lists/*
-ARG SONARR="https://services.sonarr.tv/v1/download/main/latest?version=3&os=linux"
+ARG SONARR="https://services.sonarr.tv/v1/download/main/latest?version=4&os=linux&arch=x64"
 RUN curl -L "$SONARR" | tar xz --strip-components=1
 
 FROM base
-RUN apt-get update                                           \
-    && apt-get install -y --no-install-recommends            \
-        libmono-corlib4.5-cil                                \
-        libmono-microsoft-csharp4.0-cil                      \
-        libmono-posix4.0-cil                                 \
-        libmono-system-componentmodel-dataannotations4.0-cil \
-        libmono-system-configuration-install4.0-cil          \
-        libmono-system-configuration4.0-cil                  \
-        libmono-system-core4.0-cil                           \
-        libmono-system-data-datasetextensions4.0-cil         \
-        libmono-system-data4.0-cil                           \
-        libmono-system-identitymodel4.0-cil                  \
-        libmono-system-io-compression4.0-cil                 \
-        libmono-system-net-http4.0-cil                       \
-        libmono-system-numerics4.0-cil                       \
-        libmono-system-runtime-serialization4.0-cil          \
-        libmono-system-security4.0-cil                       \
-        libmono-system-servicemodel4.0a-cil                  \
-        libmono-system-serviceprocess4.0-cil                 \
-        libmono-system-transactions4.0-cil                   \
-        libmono-system-web4.0-cil                            \
-        libmono-system-xml-linq4.0-cil                       \
-        libmono-system-xml4.0-cil                            \
-        libmono-system4.0-cil                                \
-        mediainfo                                            \
-        mono-runtime                                         \
+RUN apt-get update                                \
+    && apt-get install -y --no-install-recommends \
+        libicu72                                  \
+        libsqlite3-0                              \
+        libssl3                                   \
     && rm -rf /var/lib/apt/lists/*
 COPY --from=build /app/ .
 COPY entrypoint.sh /usr/local/bin/
@@ -45,4 +24,4 @@ RUN useradd -m app
 VOLUME /config/
 EXPOSE 8989
 ENTRYPOINT ["entrypoint.sh"]
-CMD ["mono", "Sonarr.exe", "-nobrowser", "-data=/config"]
+CMD ["./Sonarr", "-nobrowser", "-data=/config"]
diff --git a/sonarr/nginx.conf b/sonarr/nginx.conf
index 661c288..b2a5ed4 100644
--- a/sonarr/nginx.conf
+++ b/sonarr/nginx.conf
@@ -17,7 +17,7 @@ server {
     location / {
         proxy_pass http://sonarr:8989;
 
-        proxy_set_header   Host              $proxy_host;
+        proxy_set_header   Host              $host;
         proxy_set_header   X-Forwarded-For   $proxy_add_x_forwarded_for;
         proxy_set_header   X-Forwarded-Host  $host;
         proxy_set_header   X-Forwarded-Proto $scheme;