diff --git a/cloud-toolbox/Containerfile b/cloud-toolbox/Containerfile
index 8a12f96..f671579 100644
--- a/cloud-toolbox/Containerfile
+++ b/cloud-toolbox/Containerfile
@@ -1,4 +1,4 @@
-FROM registry.fedoraproject.org/fedora-minimal
+FROM registry.fedoraproject.org/fedora-minimal:39
 
 USER root
 
diff --git a/gui-container/Containerfile b/gui-container/Containerfile
index 9d77b0a..c885c06 100644
--- a/gui-container/Containerfile
+++ b/gui-container/Containerfile
@@ -1,4 +1,4 @@
-FROM registry.fedoraproject.org/fedora-minimal
+FROM registry.fedoraproject.org/fedora:39
 
 ENV HISTSIZE=10000
 ENV HISTTIMEFORMAT="%d/%m/%y %T "
@@ -19,13 +19,16 @@ ENV GENERAL_PKGS="\
 
 ENV APPS="\
     chromium \
-    firefox"
+    firefox \
+    librewolf"
 
 # install dependencies and basic apps
-RUN dnf5 install -y \
+RUN dnf install -y 'dnf-command(config-manager)' && \
+    dnf config-manager --add-repo https://rpm.librewolf.net/librewolf-repo.repo && \
+    dnf install -y \
     ${GENERAL_PKGS} \
     ${APPS} \
-    && dnf5 clean all
+    && dnf clean all
 
 RUN echo $'[ -f /usr/share/fzf/shell/key-bindings.bash ] && source /usr/share/fzf/shell/key-bindings.bash' >> /root/.bashrc
 
diff --git a/jupyter/Containerfile b/jupyter/Containerfile
index ac879fb..5eb13a4 100644
--- a/jupyter/Containerfile
+++ b/jupyter/Containerfile
@@ -1,4 +1,4 @@
-FROM registry.fedoraproject.org/fedora-minimal
+FROM registry.fedoraproject.org/fedora-minimal:39
 
 ENV VIRTUAL_ENV=/venv
 ENV PATH=/venv/bin:/usr/local/sbin:/usr/local/bin:/usr/sbin:/usr/bin:/sbin:/bin
@@ -47,4 +47,4 @@ WORKDIR /jupyter
 
 ENTRYPOINT [ "tini" ]
 
-CMD [ "jupyter", "--", "lab", "--allow-root", "--no-browser", "--autoreload" ]
+CMD [ "jupyter", "--", "notebook", "--allow-root", "--no-browser", "--autoreload", "--ip", "0.0.0.0" ]
diff --git a/snowflake/Containerfile b/snowflake/Containerfile
index ad62b2b..914aa78 100644
--- a/snowflake/Containerfile
+++ b/snowflake/Containerfile
@@ -1,19 +1,21 @@
-FROM registry.fedoraproject.org/fedora-minimal
+FROM registry.fedoraproject.org/fedora:39
 
+RUN useradd -u 1423 -m -s '/bin/bash' -U snowflake
 ENV TZ=Europe/Warsaw
-RUN dnf5 install -y shadow-utils git golang && \
-    useradd -u 1423 -m -s '/bin/bash' -U snowflake && \
-    ln -snf /usr/share/zoneinfo/$TZ /etc/localtime && echo $TZ > /etc/timezone && \
+
+RUN ln -snf /usr/share/zoneinfo/$TZ /etc/localtime && echo $TZ > /etc/timezone && \
+    dnf clean all && \
+    dnf install -y git golang && \
     git clone https://git.torproject.org/pluggable-transports/snowflake.git && \
     cd snowflake/proxy && \
     go build && \
-    dnf5 remove -y golang git shadow-utils && \
-    dnf5 -y autoremove && \
-    dnf5 -y clean all && \
+    dnf remove -y golang git && \
+    dnf -y autoremove && \
+    dnf -y clean all && \
     mv /snowflake/proxy/proxy /usr/bin/proxy && \
     cd / && \
     rm -rf /snowflake /root/* && \
-    chown snowflake:snowflake /usr/bin/proxy
+    chown snowflake.snowflake /usr/bin/proxy
 
 USER snowflake