diff --git a/.devcontainer/Dockerfile b/.devcontainer/Dockerfile
index d4e65e95ec0..c5133c4d349 100644
--- a/.devcontainer/Dockerfile
+++ b/.devcontainer/Dockerfile
@@ -11,7 +11,7 @@ RUN sudo apt-get update && export DEBIAN_FRONTEND=noninteractive \
     && rm -rf /var/lib/apt/lists/*
 
 # Install OPAM
-ARG OPAM_VERSION=2.5.0
+ARG OPAM_VERSION=2.6.1
 RUN printf '\n\n' | bash -c "sh <(curl -fsSL https://raw.githubusercontent.com/ocaml/opam/master/shell/install.sh) --version $OPAM_VERSION"
 
 USER vscode
diff --git a/changes/devcontainer-opam.internal.md b/changes/devcontainer-opam.internal.md
new file mode 100644
index 00000000000..9d4af206d7a
--- /dev/null
+++ b/changes/devcontainer-opam.internal.md
@@ -0,0 +1 @@
+- Upgrade opam to 2.6.1 in the devcontainer. https://github.com/rescript-lang/rescript/pull/8889