diff --git a/stack-lts-16.31.yaml b/stack-lts-16.31.yaml
index a18b3f7..f5a3035 100644
--- a/stack-lts-16.31.yaml
+++ b/stack-lts-16.31.yaml
@@ -7,3 +7,4 @@ extra-deps:
   - hspec-discover-2.10.0
   - hspec-golden-0.2.1.0
   - hspec-junit-formatter-1.1.2.1
+  - regex-tdfa-1.3.2.2
diff --git a/stack-lts-18.28.yaml b/stack-lts-18.28.yaml
index 53b4593..9481656 100644
--- a/stack-lts-18.28.yaml
+++ b/stack-lts-18.28.yaml
@@ -7,3 +7,4 @@ extra-deps:
   - hspec-discover-2.10.0
   - hspec-golden-0.2.1.0
   - hspec-junit-formatter-1.1.2.1
+  - regex-tdfa-1.3.2.2
diff --git a/stack-lts-19.33.yaml b/stack-lts-19.33.yaml
index ccf2859..9237d4e 100644
--- a/stack-lts-19.33.yaml
+++ b/stack-lts-19.33.yaml
@@ -7,3 +7,4 @@ extra-deps:
   - hspec-discover-2.10.0
   - hspec-golden-0.2.1.0
   - hspec-junit-formatter-1.1.2.1
+  - regex-tdfa-1.3.2.2
diff --git a/stack-lts-20.26.yaml b/stack-lts-20.26.yaml
index 9d18acd..aa53c3f 100644
--- a/stack-lts-20.26.yaml
+++ b/stack-lts-20.26.yaml
@@ -6,3 +6,4 @@ extra-deps:
   - hspec-core-2.10.0
   - hspec-discover-2.10.0
   - hspec-junit-formatter-1.1.2.1
+  - regex-tdfa-1.3.2.2