diff --git a/Changes b/Changes
index 023477ec9..e740aff86 100644
--- a/Changes
+++ b/Changes
@@ -5,6 +5,8 @@ The contributors that suggested a given feature are shown in []. Thanks!
 
 * Verilator 4.105 devel
 
+***   Change -sv option to select 1800-2017 instead of 1800-2005.
+
 ***   Support $random and $urandom seeds.
 
 ***   Support 'super'.
diff --git a/bin/verilator b/bin/verilator
index b059d87e7..ac88b8e2a 100755
--- a/bin/verilator
+++ b/bin/verilator
@@ -1461,7 +1461,7 @@ future version of Verilator no longer always packs unpacked structures.
 =item -sv
 
 Specifies SystemVerilog language features should be enabled; equivalent to
-"--language 1800-2005".  This option is selected by default, it exists for
+"--language 1800-2017".  This option is selected by default, it exists for
 compatibility with other simulators.
 
 =item  +systemverilogext+I<ext>
diff --git a/src/V3Options.cpp b/src/V3Options.cpp
index d0bae2ff4..3b49377ed 100644
--- a/src/V3Options.cpp
+++ b/src/V3Options.cpp
@@ -1101,7 +1101,7 @@ void V3Options::parseOptsList(FileLine* fl, const string& optdir, int argc, char
             } else if (onoff(sw, "-structs-unpacked", flag /*ref*/)) {
                 m_structsPacked = flag;
             } else if (!strcmp(sw, "-sv")) {
-                m_defaultLanguage = V3LangCode::L1800_2005;
+                m_defaultLanguage = V3LangCode::L1800_2017;
             } else if (onoff(sw, "-threads-coarsen", flag /*ref*/)) {  // Undocumented, debug
                 m_threadsCoarsen = flag;
             } else if (onoff(sw, "-trace", flag /*ref*/)) {