diff --git a/CHANGELOG.md b/CHANGELOG.md
index 2245767..a088b78 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -7,6 +7,9 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0
 
 ## [Unreleased]
 
+### Changed
+- CASMTRIAGE-7252: Increase DEFAULT_IMS_IMAGE_SIZE from 30 to 60.
+
 ## [3.17.2] - 2024-09-13
 ### Added
 - CASMTRIAGE-6953: Added comment to `src/server/app.py` noting dependency of IMS import tool in `docs-csm`
diff --git a/kubernetes/cray-ims/templates/configmap.yaml b/kubernetes/cray-ims/templates/configmap.yaml
index 8ab205f..29bcfad 100644
--- a/kubernetes/cray-ims/templates/configmap.yaml
+++ b/kubernetes/cray-ims/templates/configmap.yaml
@@ -1,7 +1,7 @@
 {{/*
 MIT License
 
-(C) Copyright 2021-2023 Hewlett Packard Enterprise Development LP
+(C) Copyright 2021-2024 Hewlett Packard Enterprise Development LP
 
 Permission is hereby granted, free of charge, to any person obtaining a
 copy of this software and associated documentation files (the "Software"),
@@ -31,7 +31,7 @@ metadata:
 data:
   API_GATEWAY_HOSTNAME: "{{ .Values.api_gw.api_gw_service_name }}.{{ .Values.api_gw.api_gw_service_namespace }}.svc.cluster.local"
   CA_CERT: "/mnt/ca-vol/certificate_authority.crt"
-  DEFAULT_IMS_IMAGE_SIZE: "30"
+  DEFAULT_IMS_IMAGE_SIZE: "60"
   DEFAULT_IMS_JOB_NAMESPACE: "{{ .Values.ims_config.cray_ims_job_namespace }}"
   DEFAULT_IMS_JOB_MEM_SIZE: "8"
 
diff --git a/src/server/models/jobs.py b/src/server/models/jobs.py
index d9cd47b..d99e0c3 100644
--- a/src/server/models/jobs.py
+++ b/src/server/models/jobs.py
@@ -69,10 +69,9 @@
     ARCH_X86_64: KERNEL_FILE_NAME_X86
 })
 
-
 DEFAULT_INITRD_FILE_NAME = 'initrd'
-DEFAULT_IMAGE_SIZE = os.environ.get("DEFAULT_IMS_IMAGE_SIZE", 15)
-DEFAULT_JOB_MEM_SIZE = os.environ.get("DEFAULT_IMS_JOB_MEM_SIZE", 1)
+DEFAULT_IMAGE_SIZE = os.environ.get("DEFAULT_IMS_IMAGE_SIZE", "60")
+DEFAULT_JOB_MEM_SIZE = os.environ.get("DEFAULT_IMS_JOB_MEM_SIZE", "8")
 DEFAULT_KERNEL_PARAMETERS_FILE_NAME = 'kernel-parameters'
 
 # pylint: disable=R0902
@@ -146,7 +145,7 @@ class V2JobRecordInputSchema(Schema):
                                          validate=Length(min=1, error="image_root_archive_name field must not be blank"))
     enable_debug = fields.Boolean(load_default=False,dump_default=False,
                                   metadata={"metadata": {"description": "Whether to enable debugging of the job"}})
-    build_env_size = fields.Integer(load_default=15,dump_default=15,
+    build_env_size = fields.Integer(load_default=60,dump_default=60,
                                     metadata={"metadata": {"description": "Approximate disk size in GiB to reserve for the image build environment (usually 2x final image size)"}},
                                     validate=Range(min=1, error="build_env_size must be greater than or equal to 1"))
     kernel_file_name = fields.Str(metadata={"metadata": {"description": "Name of the kernel file to extract and upload"}})
@@ -167,7 +166,7 @@ class V2JobRecordInputSchema(Schema):
                                   metadata={"metadata": {"description": "Job requires the use of dkms"}})
 
     # v2.2
-    job_mem_size = fields.Integer(dump_default=1, required=False,
+    job_mem_size = fields.Integer(dump_default=8, required=False,
                                   validate=Range(min=1, error="build_env_size must be greater than or equal to 1"),
                                   metadata={"metadata": {"description": "Approximate working memory in GiB to reserve for the build job "
                                     "environment (loosely proportional to the final image size)"}})