diff --git a/.circleci/config.yml b/.circleci/config.yml
index 33bd4d00f..5f9dbdada 100644
--- a/.circleci/config.yml
+++ b/.circleci/config.yml
@@ -81,3 +81,4 @@ workflows:
                 - "1.17"
                 - "1.18"
                 - "1.19"
+                - "1.20"
diff --git a/.github/workflows/datadog-go.yaml b/.github/workflows/datadog-go.yaml
index f4078a68b..8582bd5e4 100644
--- a/.github/workflows/datadog-go.yaml
+++ b/.github/workflows/datadog-go.yaml
@@ -25,6 +25,7 @@ jobs:
           - 1.17
           - 1.18
           - 1.19
+          - 1.20
         runs-on:
           - macos-latest
           - ubuntu-latest
diff --git a/.gitignore b/.gitignore
index 381931381..bb526f2b1 100644
--- a/.gitignore
+++ b/.gitignore
@@ -1,2 +1,3 @@
 *.swp
 *.swo
+vendor/
diff --git a/README.md b/README.md
index 7a1296838..beea52a6b 100644
--- a/README.md
+++ b/README.md
@@ -246,8 +246,9 @@ This library only officially supports [first class ports](https://github.com/gol
 
 | **Go Version** | **Support level**                   |
 |----------------|-------------------------------------|
+| 1.20           | [GA](#support-ga)                   |
 | 1.19           | [GA](#support-ga)                   |
-| 1.18           | [GA](#support-ga)                   |
+| 1.18           | [Maintenance](#support-maintenance) |
 | 1.17           | [Maintenance](#support-maintenance) |
 | 1.16           | [Maintenance](#support-maintenance) |
 | 1.15           | [Maintenance](#support-maintenance) |