diff --git a/pyproject.toml b/pyproject.toml
index 2d58b0ea..2b6a1d9e 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -25,7 +25,7 @@ black = "^23.7.0"
 flake8 = "^6.1.0"
 coverage = "^7.3.1"
 pytest = "^7.4.2"
-snakemake = {git = "https://github.com/snakemake/snakemake.git"}
+snakemake = {git = "https://github.com/snakemake/snakemake.git", branch="fix/workflow-testcase-wildcard-dirs"}
 
 [tool.coverage.run]
 omit = [".*", "*/site-packages/*", "Snakefile"]