diff --git a/10m_physical/ne_10m_geography_marine_polys.dbf b/10m_physical/ne_10m_geography_marine_polys.dbf
index 57f57173..09f34994 100644
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diff --git a/110m_physical/ne_110m_geography_marine_polys.dbf b/110m_physical/ne_110m_geography_marine_polys.dbf
index 802c8f79..1c7afd35 100644
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diff --git a/50m_physical/ne_50m_geography_marine_polys.dbf b/50m_physical/ne_50m_geography_marine_polys.dbf
index cdb1f9a5..d048b6ca 100644
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diff --git a/VERSION b/VERSION
index 61fcc873..16619112 100644
--- a/VERSION
+++ b/VERSION
@@ -1 +1 @@
-5.1.2
+5.2.0-pre