diff --git a/CHANGELOG.md b/CHANGELOG.md
index cc561bbb7..a407a52c3 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -7,6 +7,7 @@
     - NodeJS:
       - FIXED: Support `skip_waypoints` in Node bindings [#6060](https://github.com/Project-OSRM/osrm-backend/pull/6060)
     - Misc:
+      - ADDED: Support floats for speed value in traffic updates CSV. [#6327](https://github.com/Project-OSRM/osrm-backend/pull/6327)
       - CHANGED: missing files list is included in exception message. [#5360](https://github.com/Project-OSRM/osrm-backend/pull/5360)
       - CHANGED: Do not use deprecated Callback::Call overload in Node bindings. [#6318](https://github.com/Project-OSRM/osrm-backend/pull/6318)
       - FIXED: Fix distance calculation consistency. [#6315](https://github.com/Project-OSRM/osrm-backend/pull/6315)
diff --git a/features/testbot/weight.feature b/features/testbot/weight.feature
index 5d8aadee3..5d76fd4aa 100644
--- a/features/testbot/weight.feature
+++ b/features/testbot/weight.feature
@@ -329,7 +329,7 @@ Feature: Weight tests
             | ce    |
         And the speed file
             """
-            1,2,36,42
+            1,2,36.999,42
             2,1,36,42
             """
         And the turn penalty file
@@ -341,8 +341,8 @@ Feature: Weight tests
 
         When I route I should get
             | waypoints | route | distance | weights   | times        |
-            | a,d       | ,     | 60m      | 20.5,0    | 24s,0s       |
-            | a,e       | ,,    | 60m      | 27.2,10,0 | 38.5s,11s,0s |
+            | a,d       | ,     | 60m      | 20.5,0    | 23.9s,0s       |
+            | a,e       | ,,    | 60m      | 27.2,10,0 | 38.4s,11s,0s |
             | d,e       | ,,    | 40m      | 10,10,0   | 11s,11s,0s   |
 
     @traffic @speed
diff --git a/include/updater/source.hpp b/include/updater/source.hpp
index 58a19e080..b00d402c9 100644
--- a/include/updater/source.hpp
+++ b/include/updater/source.hpp
@@ -49,8 +49,8 @@ struct Segment final
 
 struct SpeedSource final
 {
-    SpeedSource() : speed(0), rate() {}
-    unsigned speed;
+    SpeedSource() : speed(0.), rate() {}
+    double speed;
     boost::optional<double> rate;
     std::uint8_t source;
 };
diff --git a/src/updater/csv_source.cpp b/src/updater/csv_source.cpp
index a242a0c66..0f6f12237 100644
--- a/src/updater/csv_source.cpp
+++ b/src/updater/csv_source.cpp
@@ -37,7 +37,7 @@ SegmentLookupTable readSegmentValues(const std::vector<std::string> &paths)
     CSVFilesParser<Segment, SpeedSource> parser(
         1,
         qi::ulong_long >> ',' >> qi::ulong_long,
-        qi::uint_ >> -(',' >> (qi::double_ | qi::attr(value_if_blank))));
+        qi::double_ >> -(',' >> (qi::double_ | qi::attr(value_if_blank))));
 
     // Check consistency of keys in the result lookup table
     auto result = parser(paths);