diff --git a/.tool-versions b/.tool-versions
index c4e388eed..c34e3c20f 100644
--- a/.tool-versions
+++ b/.tool-versions
@@ -1,4 +1,4 @@
-elixir 1.16.3-otp-25
-erlang 25.3.2.12
+elixir 1.16.3-otp-26
+erlang 26.2.5
 python 3.9.16
 poetry 1.7.0
diff --git a/Dockerfile b/Dockerfile
index ad93458e6..9ce39f2b3 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -1,6 +1,6 @@
 ARG ELIXIR_VERSION=1.16.3
-ARG ERLANG_VERSION=25.3.2.12
-ARG ALPINE_VERSION=3.17.7
+ARG ERLANG_VERSION=26.2.5
+ARG ALPINE_VERSION=3.20.0
 
 FROM hexpm/elixir:${ELIXIR_VERSION}-erlang-${ERLANG_VERSION}-alpine-${ALPINE_VERSION} as builder
 
@@ -28,7 +28,7 @@ RUN mix release
 # The one the elixir image was built with
 FROM alpine:${ALPINE_VERSION}
 
-RUN apk add --no-cache libssl1.1 dumb-init libstdc++ libgcc ncurses-libs && \
+RUN apk add --no-cache libcrypto3 dumb-init libstdc++ libgcc ncurses-libs && \
   mkdir /work /api && \
   adduser -D api && chown api /work
 
diff --git a/apps/api_web/test/api_web/canary_test.exs b/apps/api_web/test/api_web/canary_test.exs
index d29b268de..a95bc74d7 100644
--- a/apps/api_web/test/api_web/canary_test.exs
+++ b/apps/api_web/test/api_web/canary_test.exs
@@ -43,6 +43,11 @@ defmodule ApiWeb.CanaryTest do
     assert {:error, "expect function/0 for notify_fn, got nil"} =
              Canary.start_link(notify_fn: nil)
 
-    assert_receive {:EXIT, _, "expect function/0 for notify_fn, got nil"}
+    # start_link consumes EXIT as of OTP 26, so we need to use spawn_link to trigger this. see:
+    # https://github.com/erlang/otp/issues/7524 and
+    # https://www.erlang.org/doc/apps/stdlib/gen_server.html#start_link/4
+    pid = spawn_link(Canary, :start_link, [[notify_fn: nil]])
+
+    assert_receive {:EXIT, ^pid, "expect function/0 for notify_fn, got nil"}
   end
 end
diff --git a/apps/state/test/state/server_test.exs b/apps/state/test/state/server_test.exs
index 354f759b5..9eb0194a6 100644
--- a/apps/state/test/state/server_test.exs
+++ b/apps/state/test/state/server_test.exs
@@ -251,7 +251,14 @@ defmodule State.ServerTest do
         %Example{id: 2, data: :other}
       ])
 
-      assert [%{data: 38}, %{data: 44}, %{data: :other}] = HooksServer.all()
+      # ETS tables appear to have different internal ordering on Mac and Linux as of OTP 26, so
+      # explicitly sorting here is necessary to fix this test.
+      assert [
+               %Example{id: 1, data: 38},
+               %Example{id: 1, data: 44},
+               %Example{id: 2, data: :other}
+             ] = Enum.sort(HooksServer.all())
+
       assert [%{data: 38}, %{data: 44}] = HooksServer.by_id(1)
       assert [%{data: 38}] = HooksServer.select([%{data: 37}])
     end