diff --git a/pyproject.toml b/pyproject.toml
index dea09f7..2e5c3b3 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -1,6 +1,6 @@
 [tool.poetry]
 name = "meltano-map-transform"
-version = "0.0.2"
+version = "0.0.5.dev0"
 description = "`meltano-map-transform` is a Singer-compatible inline map transformer, built with the Meltano SDK for Singer Taps."
 authors = [
   "Meltano Team and Contributors",
@@ -18,7 +18,8 @@ documentation = "https://github.com/MeltanoLabs/meltano-map-transform#readme"
 
 [tool.poetry.dependencies]
 python = "<3.11,>=3.7.1"
-singer-sdk = "0.11.1"
+singer-sdk = "<0.11"
+pipelinewise-singer-python = "1.2.0"  # https://github.com/MeltanoLabs/meltano-map-transform/issues/49
 
 [tool.poetry.dev-dependencies]
 black = {version = "^22.8", allow-prereleases = true}