diff --git a/var/spack/repos/builtin/packages/py-fluidfft/package.py b/var/spack/repos/builtin/packages/py-fluidfft/package.py
index fbe3048be27..2d1e20eef52 100644
--- a/var/spack/repos/builtin/packages/py-fluidfft/package.py
+++ b/var/spack/repos/builtin/packages/py-fluidfft/package.py
@@ -30,7 +30,7 @@ class PyFluidfft(PythonPackage):
     with default_args(type="run"):
         depends_on("py-fluiddyn@0.2.3:")
         depends_on("py-pyfftw@0.10.4:")
-        depends_on("py-importlib_metadata", when="^python@:3.10")
+        depends_on("py-importlib-metadata", when="^python@:3.10")
 
     def config_settings(self, spec, prefix):
         settings = {"setup-args": {"-Dnative": spec.variants["native"].value}}
diff --git a/var/spack/repos/builtin/packages/py-fluidsim-core/package.py b/var/spack/repos/builtin/packages/py-fluidsim-core/package.py
index 43a1894fb3e..d4d5ef1a359 100644
--- a/var/spack/repos/builtin/packages/py-fluidsim-core/package.py
+++ b/var/spack/repos/builtin/packages/py-fluidsim-core/package.py
@@ -23,4 +23,4 @@ class PyFluidsimCore(PythonPackage):
 
     with default_args(type="run"):
         depends_on("py-fluiddyn")
-        depends_on("py-importlib_metadata", when="^python@:3.9")
+        depends_on("py-importlib-metadata", when="^python@:3.9")
diff --git a/var/spack/repos/builtin/packages/py-pylibmagic/package.py b/var/spack/repos/builtin/packages/py-pylibmagic/package.py
index ca588ddc055..40ce5084596 100644
--- a/var/spack/repos/builtin/packages/py-pylibmagic/package.py
+++ b/var/spack/repos/builtin/packages/py-pylibmagic/package.py
@@ -16,7 +16,7 @@ class PyPylibmagic(PythonPackage):
 
     depends_on("python@3.7:", type=("build", "run"))
     depends_on("py-setuptools@42:", type="build")
-    depends_on("py-setuptools_scm@3.4:+toml", type="build")
+    depends_on("py-setuptools-scm@3.4:+toml", type="build")
     depends_on("py-scikit-build", type="build")
     depends_on("cmake", type="build")
     depends_on("ninja", type="build")
diff --git a/var/spack/repos/builtin/packages/sourmash/package.py b/var/spack/repos/builtin/packages/sourmash/package.py
index c9548a4462b..e8d38a3cb8c 100644
--- a/var/spack/repos/builtin/packages/sourmash/package.py
+++ b/var/spack/repos/builtin/packages/sourmash/package.py
@@ -28,7 +28,7 @@ class Sourmash(PythonPackage):
     depends_on("py-deprecation@2.0.6:", type=("build", "run"))
     depends_on("py-cachetools@4:5", type=("build", "run"))
     depends_on("py-bitstring@3.1.9:4", type=("build", "run"))
-    depends_on("py-importlib_metadata@3.6:", when="^python@:3.9", type=("build", "run"))
+    depends_on("py-importlib-metadata@3.6:", when="^python@:3.9", type=("build", "run"))
 
     def install(self, spec, prefix):
         # build rust libs