diff --git a/data/speakers/matthieu_grandrie.yml b/data/speakers/matthieu_grandrie.yml
index 2ac0f6d..a639b4f 100644
--- a/data/speakers/matthieu_grandrie.yml
+++ b/data/speakers/matthieu_grandrie.yml
@@ -5,6 +5,6 @@ feature: false
 company: 'Stack Labs /\\:'
 companyLogo: /images/partners/stack_labs.png
 city: Toulouse, France
-photoUrl: https://lh3.googleusercontent.com/a-/AOh14Gh5AAWnLTOUCAZuunFSdaG6N41t2S_AJS_5vdgYZKYcL_cmPRmNGGJ5aYtYXSY0AyBm9nsg4fHj5vxh58tVOKO537NnHJhTZ0UQo2MBx-HTVUduz97Y788f6UcQw7xPPmEhVvs61X2xKHAa-FAqX5VmWEBg_SCodJuAAqXZnZP6GjdtSfYc3uL35rSkiSJQiFaxhrT8Ib2HNNNdJgMt8JDsrdZNLEpf3U5Rp1lRm73T5B3jUmf_8bmCPhzn_Rx6ZTHdN5dpWeFoVlm_-lDpjz-7uS-q83p2p_m7yQnwaHsC0k2E_Qjf7Z9Hh9zHN9CeyBX81NbBATXhVZHymzf-Hpf7Y5kNK3nuJmU97h6_Fz8C6Jrg73AAIdvghH882z1G55W8_aRyB1VF74SKULIzj5XG4qfuZhjJpcz86JkLHu_2t8pXcJHeLrnsivFs61WS4TDG5ujEbjh-kYqgBuTgvm26z2Rww2WtIsxBkVrEFCQdtX66469FgyBsT_03JApd8C4DbzTGRDjxIWugObrpFodqKVbFnn1w3B3mH8-NCdfyZ4aCZko375D090V4nGgPuPUUrr3k7lD8OJpqVOR7IYRUoq1QpUBNKa3wRf68NuWJKsQbxYzsKrwKOG38c7MKrBekPxRoAxp1bGPR524jpDeKysIswZWax3OJTmZgTB_GHq4fEXLOZq8cdvlfMs4YXaCAR1n01rv3cmGFXe7-cQcKV0wtYvbHS0oheiadJQccLD5SBF3wrd3gr2teNRQnxZk0Fw=s96-c
+photoUrl: https://ca.slack-edge.com/T7RCX6R0F-UTH0R7UV7-3b0983969706-512
 socials:
   github: matthieucham
diff --git a/data/speakers/romain_berthon.yml b/data/speakers/romain_berthon.yml
index dce4c4b..8223b33 100644
--- a/data/speakers/romain_berthon.yml
+++ b/data/speakers/romain_berthon.yml
@@ -4,7 +4,7 @@ name: Romain BERTHON
 feature: false
 company: Dotware Consulting
 companyLogo: /images/partners/dotware_consulting.png
-photoUrl: https://avatars2.githubusercontent.com/u/20265323?v=4
+photoUrl: https://romainberthon.dev/images/about/romain.jpg
 socials:
   twitter: RomainTrm
   github: RomainTrm