diff --git a/Dockerfile b/Dockerfile
index 31017a9..f55a88f 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -362,7 +362,7 @@ COPY /data/samples/${MODEL_NAME} /data/samples/${MODEL_NAME}
 COPY /data/descriptions/${MODEL_NAME} /data/descriptions/${MODEL_NAME}
 
 # download grid definition and generate weights
-ARG GRID_FILENAME=icon_grid_0028_R02B07_N02.nc.bz2
+ARG GRID_FILENAME=icon_grid_0037_R03B07_N02.nc.bz2
 ARG NC_GRID_NUMBER=1
 RUN set -ex \
     && mkdir -p /data/grids/${MODEL_NAME} \
@@ -430,7 +430,7 @@ COPY /data/samples/${MODEL_NAME} /data/samples/${MODEL_NAME}
 COPY /data/descriptions/${MODEL_NAME} /data/descriptions/${MODEL_NAME}
 
 # download grid definition and generate weights
-ARG GRID_FILENAME=icon_grid_0024_R02B06_G.nc.bz2
+ARG GRID_FILENAME=icon_grid_0036_R03B06_G.nc.bz2
 ARG NC_GRID_NUMBER=1
 RUN set -ex \
     && mkdir -p /data/grids/${MODEL_NAME} \
@@ -579,4 +579,4 @@ ENV DESCRIPTION_FILE=/data/descriptions/${MODEL}/${MODEL}_description.txt
 ENV WEIGHTS_FILE=/data/weights/${MODEL}/${MODEL}_weights.nc
 ENV INPUT_FILE=/data/samples/${MODEL}/${MODEL}_sample.grib2
 ENV OUTPUT_FILE=/data/samples/${MODEL}/${MODEL}_output.grib2
-ENV GRID_FILE=/data/grids/${MODEL}/${MODEL}_grid.nc
\ No newline at end of file
+ENV GRID_FILE=/data/grids/${MODEL}/${MODEL}_grid.nc
diff --git a/data/descriptions/icon-eps/icon-eps_description.txt b/data/descriptions/icon-eps/icon-eps_description.txt
index 3410758..c445145 100755
--- a/data/descriptions/icon-eps/icon-eps_description.txt
+++ b/data/descriptions/icon-eps/icon-eps_description.txt
@@ -1,13 +1,12 @@
-# Climate Data Operator (CDO) grid description file
 # Input: ICON-EPS
 # Area: Global
 # Grid: regular latitude longitude/geographical grid
-# Resolution: 0.5 x 0.5 degrees (approx. 40km)
+# Resolution: 0.25 x 0.25 degrees (approx. 26km)
 
 gridtype = lonlat
-xsize    = 721
-ysize    = 361
+xsize    = 1441
+ysize    = 721
 xfirst   = -180
-xinc     = 0.5
+xinc     = 0.25
 yfirst   = -90
-yinc     = 0.5
+yinc     = 0.25
diff --git a/data/descriptions/icon-eu-eps/icon-eu-eps_description.txt b/data/descriptions/icon-eu-eps/icon-eu-eps_description.txt
index c1bb749..c7e68e3 100755
--- a/data/descriptions/icon-eu-eps/icon-eu-eps_description.txt
+++ b/data/descriptions/icon-eu-eps/icon-eu-eps_description.txt
@@ -1,13 +1,12 @@
-# Climate Data Operator (CDO) grid description file
 # Input: ICON-EU-EPS
 # Area: Europe
 # Grid: regular latitude longitude/geographical grid
-# Resolution: 0.0625 x 0.0625 degrees (approx. 6.5km)
+# Resolution: 0.125 x 0.125 degrees (approx. 13km)
 
 gridtype = lonlat
-xsize    = 431
-ysize    = 206
-xfirst   = -23.6
-xinc     = 0.2
-yfirst   = 29.4
-yinc     = 0.2
+xsize    = 688
+ysize    = 328
+xfirst   = -23.5
+xinc     = 0.125
+yfirst   = 29.5
+yinc     = 0.125
diff --git a/data/samples/icon-eu-eps/icon-eu-eps_sample.grib2 b/data/samples/icon-eu-eps/icon-eu-eps_sample.grib2
index 9941d9d..ea37037 100644
Binary files a/data/samples/icon-eu-eps/icon-eu-eps_sample.grib2 and b/data/samples/icon-eu-eps/icon-eu-eps_sample.grib2 differ