diff --git a/dev-libs/libinput/libinput-1.12.1-r1.ebuild b/dev-libs/libinput/libinput-1.12.1-r1.ebuild
index 6f53fc1cb3869..edf6037ad99c2 100644
--- a/dev-libs/libinput/libinput-1.12.1-r1.ebuild
+++ b/dev-libs/libinput/libinput-1.12.1-r1.ebuild
@@ -29,7 +29,7 @@ DEPEND="${RDEPEND}
 	virtual/pkgconfig
 	doc? (
 		$(python_gen_any_dep '
-			dev-python/CommonMark[${PYTHON_USEDEP}]
+			dev-python/commonmark[${PYTHON_USEDEP}]
 			dev-python/recommonmark[${PYTHON_USEDEP}]
 			dev-python/sphinx[${PYTHON_USEDEP}]
 		')
@@ -43,7 +43,7 @@ DEPEND="${RDEPEND}
 #		sys-libs/libunwind )
 
 python_check_deps() {
-	has_version "dev-python/CommonMark[${PYTHON_USEDEP}]" && \
+	has_version "dev-python/commonmark[${PYTHON_USEDEP}]" && \
 	has_version "dev-python/recommonmark[${PYTHON_USEDEP}]" && \
 	has_version "dev-python/sphinx[${PYTHON_USEDEP}]"
 }
diff --git a/dev-python/CommonMark/Manifest b/dev-python/commonmark/Manifest
similarity index 100%
rename from dev-python/CommonMark/Manifest
rename to dev-python/commonmark/Manifest
diff --git a/dev-python/CommonMark/CommonMark-0.5.4.ebuild b/dev-python/commonmark/commonmark-0.5.4.ebuild
similarity index 100%
rename from dev-python/CommonMark/CommonMark-0.5.4.ebuild
rename to dev-python/commonmark/commonmark-0.5.4.ebuild
diff --git a/dev-python/CommonMark/CommonMark-0.7.5.ebuild b/dev-python/commonmark/commonmark-0.7.5.ebuild
similarity index 100%
rename from dev-python/CommonMark/CommonMark-0.7.5.ebuild
rename to dev-python/commonmark/commonmark-0.7.5.ebuild
diff --git a/dev-python/CommonMark/metadata.xml b/dev-python/commonmark/metadata.xml
similarity index 100%
rename from dev-python/CommonMark/metadata.xml
rename to dev-python/commonmark/metadata.xml
diff --git a/dev-python/recommonmark/recommonmark-0.4.0.ebuild b/dev-python/recommonmark/recommonmark-0.4.0.ebuild
index 70feb3a9e234e..03f40f9962219 100644
--- a/dev-python/recommonmark/recommonmark-0.4.0.ebuild
+++ b/dev-python/recommonmark/recommonmark-0.4.0.ebuild
@@ -16,7 +16,7 @@ SLOT="0"
 KEYWORDS="amd64 ~arm64 x86 ~amd64-linux ~x86-linux"
 RDEPEND="
 	dev-python/docutils[${PYTHON_USEDEP}]
-	<=dev-python/CommonMark-0.5.4[${PYTHON_USEDEP}]
+	<=dev-python/commonmark-0.5.4[${PYTHON_USEDEP}]
 "
 DEPEND="${RDEPEND}"
 
diff --git a/dev-python/recommonmark/recommonmark-0.5.0_pre20180907.ebuild b/dev-python/recommonmark/recommonmark-0.5.0_pre20180907.ebuild
index 3554a491a09b8..1479533a91110 100644
--- a/dev-python/recommonmark/recommonmark-0.5.0_pre20180907.ebuild
+++ b/dev-python/recommonmark/recommonmark-0.5.0_pre20180907.ebuild
@@ -19,7 +19,7 @@ IUSE="test"
 RESTRICT="!test? ( test )"
 
 RDEPEND="
-	>=dev-python/CommonMark-0.7.3[${PYTHON_USEDEP}]
+	>=dev-python/commonmark-0.7.3[${PYTHON_USEDEP}]
 	dev-python/docutils[${PYTHON_USEDEP}]
 	dev-python/setuptools[${PYTHON_USEDEP}]
 	>=dev-python/sphinx-1.3.1[${PYTHON_USEDEP}]
diff --git a/dev-util/Orange/Orange-3.14.0.ebuild b/dev-util/Orange/Orange-3.14.0.ebuild
index 39ffafd703eb3..cc54e6066e499 100644
--- a/dev-util/Orange/Orange-3.14.0.ebuild
+++ b/dev-util/Orange/Orange-3.14.0.ebuild
@@ -19,7 +19,7 @@ IUSE="doc postgres"
 RDEPEND="
 	>=dev-python/anyqt-0.0.8[${PYTHON_USEDEP}]
 	>=dev-python/bottleneck-1.0.0[${PYTHON_USEDEP}]
-	>=dev-python/CommonMark-0.5.5[${PYTHON_USEDEP}]
+	>=dev-python/commonmark-0.5.5[${PYTHON_USEDEP}]
 	>=dev-python/chardet-3.0.2[${PYTHON_USEDEP}]
 	>=dev-python/joblib-0.9.4[${PYTHON_USEDEP}]
 	dev-python/keyring[${PYTHON_USEDEP}]
diff --git a/dev-util/Orange/Orange-3.4.5-r3.ebuild b/dev-util/Orange/Orange-3.4.5-r3.ebuild
index f34690624e02b..b22adffe6e351 100644
--- a/dev-util/Orange/Orange-3.4.5-r3.ebuild
+++ b/dev-util/Orange/Orange-3.4.5-r3.ebuild
@@ -19,7 +19,7 @@ IUSE=""
 RDEPEND="
 	dev-python/anyqt[${PYTHON_USEDEP}]
 	>=dev-python/bottleneck-1.0.0[${PYTHON_USEDEP}]
-	>=dev-python/CommonMark-0.5.5[${PYTHON_USEDEP}]
+	>=dev-python/commonmark-0.5.5[${PYTHON_USEDEP}]
 	dev-python/dill[${PYTHON_USEDEP}]
 	>=dev-python/chardet-2.3.0[${PYTHON_USEDEP}]
 	>=dev-python/joblib-0.9.4[${PYTHON_USEDEP}]
diff --git a/profiles/updates/4Q-2018 b/profiles/updates/4Q-2018
index f8573dda6ffb9..e579bb4e45f40 100644
--- a/profiles/updates/4Q-2018
+++ b/profiles/updates/4Q-2018
@@ -1 +1,2 @@
 slotmove dev-libs/girara 3 0
+move dev-python/CommonMark dev-python/commonmark
diff --git a/sci-mathematics/pymc3/pymc3-3.1.ebuild b/sci-mathematics/pymc3/pymc3-3.1.ebuild
index 658b90729d13e..b35ff453eaefb 100644
--- a/sci-mathematics/pymc3/pymc3-3.1.ebuild
+++ b/sci-mathematics/pymc3/pymc3-3.1.ebuild
@@ -21,7 +21,7 @@ LICENSE="AFL-3.0"
 IUSE="test"
 
 RDEPEND="
-	<=dev-python/CommonMark-0.5.4[${PYTHON_USEDEP}]
+	<=dev-python/commonmark-0.5.4[${PYTHON_USEDEP}]
 	>=dev-python/joblib-0.9[${PYTHON_USEDEP}]
 	>=dev-python/numpy-1.11[${PYTHON_USEDEP},lapack]
 	>=dev-python/matplotlib-1.5[${PYTHON_USEDEP}]