diff --git a/.github/CHANGELOG.md b/.github/CHANGELOG.md
index 88c702ae4c..1fe73031c3 100644
--- a/.github/CHANGELOG.md
+++ b/.github/CHANGELOG.md
@@ -36,6 +36,7 @@
 35. Bug - Corrected Edinburgh (EGPH) Tower automatic arrival airport selection - thanks to @PLM1995 (Peter Mooney)
 36. Enhancement - Updated Non-UK VORs and fixes - thanks to @AliceFord (Alice Ford)
 37. AIRAC (2308) - Removed Gamston (EGNE) Heli Stand - thanks to @rishab-alt
+38. AIRAC (2308) - Updated Marham (EGYM) runway 05/23 designator - thanks to @rishab-alt
 
 # Changes from release 2023/06 to 2023/07
 1. AIRAC (2307) - Add Farnborough (EGLF) Apron B - Thanks to @rishab-alt
diff --git a/Airports/EGYM/Runway.txt b/Airports/EGYM/Runway.txt
index 5449a0bc8b..a008e7fe52 100644
--- a/Airports/EGYM/Runway.txt
+++ b/Airports/EGYM/Runway.txt
@@ -1,2 +1,2 @@
-06  24  056	236 N052.38.28.340 E000.32.00.660 N052.39.19.430 E000.34.02.580
-01  19  009	189 N052.38.20.470 E000.33.20.500 N052.39.17.990 E000.33.34.760
\ No newline at end of file
+01  19  009 189 N052.38.20.470 E000.33.20.520 N052.39.17.990 E000.33.34.760
+05  23  055 235 N052.38.28.340 E000.32.00.660 N052.39.19.420 E000.34.02.570
\ No newline at end of file
diff --git a/UK.rwy b/UK.rwy
index a175f4f56c..dd2c8b36f2 100644
--- a/UK.rwy
+++ b/UK.rwy
@@ -122,7 +122,7 @@ ACTIVE_RUNWAY:EGWU:25:0
 ACTIVE_RUNWAY:EGWU:25:1
 ACTIVE_RUNWAY:EGXC:25:0
 ACTIVE_RUNWAY:EGXC:25:1
-ACTIVE_RUNWAY:EGYM:24:0
-ACTIVE_RUNWAY:EGYM:24:1
+ACTIVE_RUNWAY:EGYM:23:0
+ACTIVE_RUNWAY:EGYM:23:1
 ACTIVE_RUNWAY:EIDW:28L:0
 ACTIVE_RUNWAY:EIDW:28L:1