diff --git a/servers/sklearnserver/Makefile b/servers/sklearnserver/Makefile
index 6db202046c..9f857dfb7d 100644
--- a/servers/sklearnserver/Makefile
+++ b/servers/sklearnserver/Makefile
@@ -8,7 +8,7 @@ build:
 	s2i build \
 		-E environment \
 		./sklearnserver \
-		seldonio/seldon-core-s2i-python37-ubi8:${VERSION} \
+		seldonio/seldon-core-s2i-python38-ubi8:${VERSION} \
 		${IMAGE_NAME}:${VERSION}
 
 push:
diff --git a/servers/sklearnserver/sklearnserver/requirements.txt b/servers/sklearnserver/sklearnserver/requirements.txt
index 8ed37023d8..da6ab26297 100644
--- a/servers/sklearnserver/sklearnserver/requirements.txt
+++ b/servers/sklearnserver/sklearnserver/requirements.txt
@@ -1,4 +1,4 @@
 seldon_core
 scikit-learn == 0.24.2
 numpy >= 1.8.2
-joblib >= 1.2.0
+joblib >= 1.2.0
\ No newline at end of file
diff --git a/servers/tfserving_proxy/Makefile b/servers/tfserving_proxy/Makefile
index 98ab46cfbb..79827ee105 100644
--- a/servers/tfserving_proxy/Makefile
+++ b/servers/tfserving_proxy/Makefile
@@ -8,7 +8,7 @@ build:
 	s2i build \
 		-E environment \
 		. \
-		seldonio/seldon-core-s2i-python37-ubi8:${VERSION} \
+		seldonio/seldon-core-s2i-python38-ubi8:${VERSION} \
 		${IMAGE_NAME}:${VERSION}
 
 push:
diff --git a/servers/xgboostserver/Makefile b/servers/xgboostserver/Makefile
index 7dac8cb6f5..7aeddaf46b 100644
--- a/servers/xgboostserver/Makefile
+++ b/servers/xgboostserver/Makefile
@@ -8,7 +8,7 @@ build:
 	s2i build \
 		-E environment \
 		./xgboostserver \
-		seldonio/seldon-core-s2i-python37-ubi8:${VERSION} \
+		seldonio/seldon-core-s2i-python38-ubi8:${VERSION} \
 		${IMAGE_NAME}:${VERSION}
 
 push:
diff --git a/servers/xgboostserver/xgboostserver/requirements.txt b/servers/xgboostserver/xgboostserver/requirements.txt
index 3312c5bcc5..3ed709c3db 100644
--- a/servers/xgboostserver/xgboostserver/requirements.txt
+++ b/servers/xgboostserver/xgboostserver/requirements.txt
@@ -1,3 +1,3 @@
-scikit-learn == 0.20.3
+scikit-learn == 1.0.2
 numpy >= 1.8.2
 xgboost == 1.4.2