add minimum versions to dependencies

Author: alistairewj

pyproject.toml

@@ -11,28 +11,29 @@ authors = [
 description = "Utilities to support building and analyzing the MIMIC database(s)"
 readme = "README_mimic_utils.md"
 license = { file="LICENSE" }
-requires-python = ">=3.8"
+requires-python = ">=3.9"
 classifiers = [
     "Programming Language :: Python :: 3",
     "License :: OSI Approved :: Apache Software License",
     "Operating System :: OS Independent",
 ]
 dependencies = [
-    "sqlglot==30.11.0",
-    "pandas",
-    "numpy",
+    "sqlglot~=30.11",
+    "pandas>=1.3",
+    "numpy>=1.21",
+    "tqdm>=4.60",
 ]
 
 [project.optional-dependencies]
 test = [
-    "pytest",
-    "duckdb",
+    "pytest>=7",
+    "duckdb>=0.9",
 ]
 equivalence = [
-    "duckdb",
-    "psycopg2-binary",
-    "pandas",
-    "numpy",
+    "duckdb>=0.9",
+    "psycopg2-binary>=2.9",
+    "pandas>=1.3",
+    "numpy>=1.21",
 ]
 
 [project.scripts]