diff --git a/.github/workflows/elixir.yml b/.github/workflows/elixir.yml
index e8f9bffd..8a181089 100644
--- a/.github/workflows/elixir.yml
+++ b/.github/workflows/elixir.yml
@@ -35,12 +35,12 @@ jobs:
       matrix:
         otp_version: ['25.0.3', '24.1.2', '23.3.4.2']
         elixir_version: ['1.13.4', '1.12.1']
-        rebar3_version: ['3.16.1']
+        rebar3_version: ['3.19.0']
         os: [ubuntu-18.04]
         include:
           - otp_version: '23.3.4.2'
             elixir_version: '1.13.4'
-            rebar3_version: '3.17.0'
+            rebar3_version: '3.19.0'
             os: ubuntu-18.04
     env:
       OTP_VERSION: ${{ matrix.otp_version }}
@@ -65,12 +65,12 @@ jobs:
       matrix:
         otp_version: ['25.0.3', '24.1.2', '23.3.4.2']
         elixir_version: ['1.13.4', '1.12.1']
-        rebar3_version: ['3.16.1']
+        rebar3_version: ['3.19.0']
         os: [ubuntu-18.04]
         include:
           - otp_version: '23.3.4.2'
             elixir_version: '1.13.4'
-            rebar3_version: '3.17.0'
+            rebar3_version: '3.19.0'
             os: ubuntu-18.04
     env:
       OTP_VERSION: ${{ matrix.otp_version }}
diff --git a/.github/workflows/erlang.yml b/.github/workflows/erlang.yml
index f253de5e..bac070f1 100644
--- a/.github/workflows/erlang.yml
+++ b/.github/workflows/erlang.yml
@@ -15,11 +15,11 @@ jobs:
     strategy:
       matrix:
         otp_version: ['25.0.3', '24.1.2', '23.3.4.2']
-        rebar3_version: ['3.16.1']
+        rebar3_version: ['3.19.0']
         os: [ubuntu-18.04]
         include:
           - otp_version: '23.3.4.2'
-            rebar3_version: '3.17.0'
+            rebar3_version: '3.19.0'
             os: ubuntu-18.04
     env:
       OTP_VERSION: ${{ matrix.otp_version }}
@@ -89,11 +89,11 @@ jobs:
     strategy:
       matrix:
         otp_version: ['25.0.3', '24.1.2', '23.3.4.2']
-        rebar3_version: ['3.17.0']
+        rebar3_version: ['3.19.0']
         os: [ubuntu-18.04]
         include:
           - otp_version: '23.3.4.2'
-            rebar3_version: '3.17.0'
+            rebar3_version: '3.19.0'
             os: ubuntu-18.04
     steps:
     - uses: actions/checkout@v2