diff --git a/var/spack/repos/builtin/packages/r-DBI/package.py b/var/spack/repos/builtin/packages/r-dbi/package.py
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rename from var/spack/repos/builtin/packages/r-DBI/package.py
rename to var/spack/repos/builtin/packages/r-dbi/package.py
diff --git a/var/spack/repos/builtin/packages/r-rJava/package.py b/var/spack/repos/builtin/packages/r-rjava/package.py
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rename from var/spack/repos/builtin/packages/r-rJava/package.py
rename to var/spack/repos/builtin/packages/r-rjava/package.py
diff --git a/var/spack/repos/builtin/packages/r-RMySQL/package.py b/var/spack/repos/builtin/packages/r-rmysql/package.py
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rename from var/spack/repos/builtin/packages/r-RMySQL/package.py
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diff --git a/var/spack/repos/builtin/packages/r-RODBC/package.py b/var/spack/repos/builtin/packages/r-rodbc/package.py
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rename from var/spack/repos/builtin/packages/r-RODBC/package.py
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diff --git a/var/spack/repos/builtin/packages/r-RPostgreSQL/package.py b/var/spack/repos/builtin/packages/r-rpostgresql/package.py
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rename from var/spack/repos/builtin/packages/r-RPostgreSQL/package.py
rename to var/spack/repos/builtin/packages/r-rpostgresql/package.py
diff --git a/var/spack/repos/builtin/packages/r-RSQLite/package.py b/var/spack/repos/builtin/packages/r-rsqlite/package.py
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rename from var/spack/repos/builtin/packages/r-RSQLite/package.py
rename to var/spack/repos/builtin/packages/r-rsqlite/package.py
diff --git a/var/spack/repos/builtin/packages/r-XLConnect/package.py b/var/spack/repos/builtin/packages/r-xlconnect/package.py
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rename from var/spack/repos/builtin/packages/r-XLConnect/package.py
rename to var/spack/repos/builtin/packages/r-xlconnect/package.py
diff --git a/var/spack/repos/builtin/packages/r-XLConnectJars/package.py b/var/spack/repos/builtin/packages/r-xlconnectjars/package.py
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rename from var/spack/repos/builtin/packages/r-XLConnectJars/package.py
rename to var/spack/repos/builtin/packages/r-xlconnectjars/package.py
diff --git a/var/spack/repos/builtin/packages/unixODBC/package.py b/var/spack/repos/builtin/packages/unixodbc/package.py
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rename from var/spack/repos/builtin/packages/unixODBC/package.py
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