diff --git a/.changes/unreleased/Dependencies-20231012-050324.yaml b/.changes/unreleased/Dependencies-20231012-050324.yaml
new file mode 100644
index 00000000..423deb4f
--- /dev/null
+++ b/.changes/unreleased/Dependencies-20231012-050324.yaml
@@ -0,0 +1,7 @@
+kind: Dependencies
+body: "Update dbt-tests-adapter requirement from ~=1.6.5 to ~=1.6.6"
+time: 2023-10-12T05:03:24.00000Z
+custom:
+  Author: dependabot[bot]
+  Issue: ''
+  PR: 362
diff --git a/dev_requirements.txt b/dev_requirements.txt
index ca62e6b6..8324ffaa 100644
--- a/dev_requirements.txt
+++ b/dev_requirements.txt
@@ -1,4 +1,4 @@
-dbt-tests-adapter~=1.6.5
+dbt-tests-adapter~=1.6.6
 mypy==1.5.1  # patch updates have historically introduced breaking changes
 pre-commit~=3.4
 pytest~=7.4