diff --git a/base/Dockerfile b/base/Dockerfile
index 17ccabca5..34e369c84 100644
--- a/base/Dockerfile
+++ b/base/Dockerfile
@@ -1,4 +1,4 @@
-FROM buildpack-deps:focal
+FROM buildpack-deps:jammy
 
 COPY install-packages upgrade-packages /usr/bin/
 
diff --git a/base/install-packages b/base/install-packages
index e538baad2..2f651961b 100755
--- a/base/install-packages
+++ b/base/install-packages
@@ -26,7 +26,7 @@ if [[ $EUID != 0 ]]; then
 fi
 
 # Set a runlevel to avoid invoke-rc.d warnings
-# http://manpages.ubuntu.com/manpages/focal/man8/runlevel.8.html#environment
+# http://manpages.ubuntu.com/manpages/jammy/man8/runlevel.8.html#environment
 # shellcheck disable=SC2034
 RUNLEVEL=1
 
diff --git a/chunks/lang-c/Dockerfile b/chunks/lang-c/Dockerfile
index 1f0215042..37b85b31b 100644
--- a/chunks/lang-c/Dockerfile
+++ b/chunks/lang-c/Dockerfile
@@ -7,8 +7,8 @@ USER root
 ENV TRIGGER_REBUILD=1
 
 RUN curl -fsSL https://apt.llvm.org/llvm-snapshot.gpg.key | sudo gpg --dearmor -o /usr/share/keyrings/llvm-archive-keyring.gpg \
-    && echo "deb [signed-by=/usr/share/keyrings/llvm-archive-keyring.gpg] http://apt.llvm.org/focal/ \
-    llvm-toolchain-focal-15 main" | sudo tee /etc/apt/sources.list.d/llvm.list > /dev/null \
+    && echo "deb [signed-by=/usr/share/keyrings/llvm-archive-keyring.gpg] http://apt.llvm.org/jammy/ \
+    llvm-toolchain-jammy-15 main" | sudo tee /etc/apt/sources.list.d/llvm.list > /dev/null \
     && apt update \
     && install-packages \
         clang \
diff --git a/chunks/lang-elixir/Dockerfile b/chunks/lang-elixir/Dockerfile
index 98eaabf52..16271d135 100644
--- a/chunks/lang-elixir/Dockerfile
+++ b/chunks/lang-elixir/Dockerfile
@@ -6,9 +6,7 @@ USER root
 # Dazzle does not rebuild a layer until one of its lines are changed. Increase this counter to rebuild this layer.
 ENV TRIGGER_REBUILD=1
 
-RUN cd /tmp \
-	&& wget https://packages.erlang-solutions.com/erlang-solutions_2.0_all.deb \
-	&& dpkg -i erlang-solutions_2.0_all.deb \
-	&& install-packages elixir
+# jammy provides Erlang/OTP 24: https://packages.ubuntu.com/jammy/erlang
+RUN install-packages elixir
 
 USER gitpod
diff --git a/chunks/tool-tailscale/Dockerfile b/chunks/tool-tailscale/Dockerfile
index 09df4b407..2482ca708 100644
--- a/chunks/tool-tailscale/Dockerfile
+++ b/chunks/tool-tailscale/Dockerfile
@@ -6,8 +6,8 @@ USER root
 # Dazzle does not rebuild a layer until one of its lines are changed. Increase this counter to rebuild this layer.
 ENV TRIGGER_REBUILD=1
 
-RUN curl -fsSL https://pkgs.tailscale.com/stable/ubuntu/focal.gpg | sudo apt-key add - \
-    && curl -fsSL https://pkgs.tailscale.com/stable/ubuntu/focal.list | sudo tee /etc/apt/sources.list.d/tailscale.list \
+RUN curl -fsSL https://pkgs.tailscale.com/stable/ubuntu/jammy.gpg | sudo apt-key add - \
+    && curl -fsSL https://pkgs.tailscale.com/stable/ubuntu/jammy.list | sudo tee /etc/apt/sources.list.d/tailscale.list \
     && apt-get update \
     && apt-get install -y tailscale \
     && rm /etc/apt/sources.list.d/tailscale.list