diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index 5434bab..5eab10c 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -1,4 +1,4 @@
-name: njson ci
+name: CI
 
 on:
   push:
@@ -6,32 +6,39 @@ on:
   pull_request:
     branches: [main]
 
-env:
-  OTP-VERSION: 25.2.3
-  REBAR3-VERSION: 3.20.0
-
 jobs:
-  check:
+  build:
     runs-on: ubuntu-latest
+    strategy:
+      matrix:
+        combo:
+        - otp-version: '25.2'
+          rebar3-version: '3.18.0'
+        - otp-version: '26.2'
+          rebar3-version: '3.23.0'
+        - otp-version: '27.2'
+          rebar3-version: '3.24.0'
+        - otp-version: '28.0'
+          rebar3-version: '3.25.0'
     steps:
-      - uses: actions/checkout@v3
+      - uses: actions/checkout@v4
 
-      - uses: webfactory/ssh-agent@v0.7.0
+      - uses: webfactory/ssh-agent@v0.9.0
         with:
           ssh-private-key: ${{ secrets.SSH_PRIVATE_KEY }}
 
-      - uses: erlef/setup-beam@v1
+      - uses: erlef/setup-beam@v1.18
         with:
-          otp-version: ${{ env.OTP-VERSION }}
-          rebar3-version: ${{ env.REBAR3-VERSION }}
+          otp-version: ${{ matrix.combo.otp-version }}
+          rebar3-version: ${{ matrix.combo.rebar3-version }}
 
-      - uses: actions/cache@v3.2.6
+      - uses: actions/cache@v4
         id: rebar3-cache
         with:
           path: |
             ~/.cache/rebar3
             _build
-          key: ${{ runner.os }}-${{ env.OTP-VERSION }}-${{ env.REBAR3-VERSION }}-${{ hashFiles('rebar.lock') }}
+          key: ${{ runner.os }}-${{ runner.arch }}-${{ matrix.combo.otp-version }}-${{ matrix.combo.rebar3-version }}-${{ hashFiles('rebar.lock') }}
 
       - name: Compile
         run: |
diff --git a/rebar.config b/rebar.config
index a47a022..d12f8c7 100644
--- a/rebar.config
+++ b/rebar.config
@@ -4,7 +4,7 @@
 {shell, [njson]}.
 
 {project_plugins, [
-    {erlfmt, {git, "git@github.com:WhatsApp/erlfmt.git", {branch, "main"}}}
+    erlfmt
 ]}.
 {erlfmt, [write]}.
 
@@ -15,16 +15,16 @@
     {test, [
         {erl_opts, [nowarn_export_all]},
         {deps, [
-            {nct_util, {git, "git@github.com:nomasystems/nct_util.git", {branch, "main"}}},
-            {triq, {git, "git@github.com:nomasystems/triq.git", {branch, "master"}}}
+            {nct_util, {git, "https://github.com/nomasystems/nct_util.git", {branch, "main"}}},
+            {triq, {git, "https://github.com/nomasystems/triq.git", {branch, "master"}}}
         ]}
     ]},
     {bench, [
         {deps, [
-            {jsone, {git, "git@github.com:sile/jsone.git", {branch, "master"}}},
+            {jsone, {git, "https://github.com/sile/jsone.git", {branch, "master"}}},
             thoas,
-            {eflambe, {git, "git@github.com:Stratus3D/eflambe.git", {branch, "master"}}},
-            {erlperf, {git, "git@github.com:max-au/erlperf.git", {branch, "master"}}}
+            {eflambe, {git, "https://github.com/Stratus3D/eflambe.git", {branch, "master"}}},
+            {erlperf, {git, "https://github.com/max-au/erlperf.git", {branch, "master"}}}
         ]},
         {extra_src_dirs, [{"bench", [{recursive, false}]}]}
     ]}