diff --git a/.github/workflows/test.yml b/.github/workflows/test.yml
index 66305ed..d40106a 100644
--- a/.github/workflows/test.yml
+++ b/.github/workflows/test.yml
@@ -17,7 +17,7 @@ jobs:
         uses: erlef/setup-beam@v1
         with:
           otp-version: "26.0.2"
-          gleam-version: "1.1.0"
+          gleam-version: "1.2.1"
           rebar3-version: "3"
           # elixir-version: "1.15.4"
       - name: Download gleam dependencies
@@ -40,7 +40,7 @@ jobs:
         uses: erlef/setup-beam@v1
         with:
           otp-version: "26.0.2"
-          gleam-version: "1.1.0"
+          gleam-version: "1.2.1"
           rebar3-version: "3"
           # elixir-version: "1.15.4"
       - name: Download gleam dependencies
diff --git a/Dockerfile b/Dockerfile
index 84bb324..c5e4f5f 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -1,4 +1,4 @@
-FROM --platform=x86_64 ghcr.io/gleam-lang/gleam:v1.1.0-erlang-alpine AS builder
+FROM --platform=x86_64 ghcr.io/gleam-lang/gleam:v1.2.1-erlang-alpine AS builder
 
 RUN apk add ca-certificates
 RUN mkdir -p /build/backend/src
@@ -11,7 +11,7 @@ COPY packages /packages
 RUN cd /build/backend && gleam build
 RUN cd /build/backend && gleam export erlang-shipment
 
-FROM --platform=x86_64 ghcr.io/gleam-lang/gleam:v1.1.0-erlang-alpine as runner
+FROM --platform=x86_64 ghcr.io/gleam-lang/gleam:v1.2.1-erlang-alpine as runner
 LABEL org.opencontainers.image.source https://github.com/ghivert/gloogle
 
 RUN apk add ca-certificates inotify-tools